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FCC ADVANCED Exam Question Pool. Subelement 4AE.
Electrical Principles. 10 Questions.
---------------------------------------------------
4AE 1.1 A
What is reactive power?
A. Wattless, non-productive power
B. Power consumed in wire resistance in an inductor
C. Power lost because of capacitor leakage
D. Power consumed in circuit Q
4AE 1.2 D
What is the term for an out-of-phase, non-productive power associated with
inductors and capacitors?
A. Effective power
B. True power
C. Peak envelope power
D. Reactive power
4AE 1.3 A
What is the term for energy that is stored in an electromagnetic or
electrostatic field?
A. Potential energy
B. Amperes-joules
C. Joules-coulombs
D. Kinetic energy
4AE 1.4 B
What is responsible for the phenomenon when voltages across reactances in
series can often be larger than the voltages applied to them?
A. Capacitance
B. Resonance
C. Conductance
D. Resistance
4AE 2.1 C
What is resonance in an electrical circuit?
A. The highest frequency that will pass current
B. The lowest frequency that will pass current
C. The frequency at which capacitive reactance equals inductive reactance
D. The frequency at which power factor is at a minimum
4AE 2.2 B
Under what conditions does resonance occur in an electrical circuit?
A. When the power factor is at a minimum
B. When inductive and capacitive reactances are equal
C. When the square root of the sum of the capacitive and inductive
reactances is equal to the resonant frequency
D. When the square root of the product of the capacitive and inductive
reactances is equal to the resonant frequency
4AE 2.3 D
What is the term for the phenomena which occurs in an electrical circuit
when the inductive reactance equals the capacitive reactance?
A. Reactive quiescence
B. High Q
C. Reactive equilibrium
D. Resonance
4AE 2.4 B
What is the approximate magnitude of the impedance of a series R-L-C circuit
at resonance?
A. High, as compared to the circuit resistance
B. Approximately equal to the circuit resistance
C. Approximately equal to XL
D. Approximately equal to XC
4AE 2.5 A
What is the approximate magnitude of the impedance of a parallel R-L-C
circuit at resonance?
A. Approximately equal to the circuit resistance
B. Approximately equal to XL
C. Low, as compared to the circuit resistance
D. Approximately equal to XC
4AE 2.6 B
What is the characteristic of the current flow in a series R-L-C circuit at
resonance?
A. It is at a minimum
B. It is at a maximum
C. It is DC
D. It is zero
4AE 2.7 B
What is the characteristic of the current flow in a parallel R-L-C circuit
at resonance?
A. The current circulating in the parallel elements is at a minimum
B. The current circulating in the parallel elements is at a maximum
C. The current circulating in the parallel elements is DC
D. The current circulating in the parallel elements is zero
4AE 3.1 A
What is the skin effect?
A. The phenomenon where RF current flows in a thinner layer of the
conductor, close to the surface, as frequency increases
B. The phenomenon where RF current flows in a thinner layer of the
conductor, close to the surface, as frequency decreases
C. The phenomenon where thermal effects on the surface of the conductor
increase the impedance
D. The phenomenon where thermal effects on the surface of the conductor
decrease the impedance
4AE 3.2 C
What is the term for the phenomenon where most of an RF current flows along
the surface of the conductor?
A. Layer effect
B. Seeburg Effect
C. Skin effect
D. Resonance
4AE 3.3 A
Where does practically all of the RF current flow in a conductor?
A. Along the surface
B. In the center of the conductor
C. In the magnetic field around the conductor
D. In the electromagnetic field in the conductor center
4AE 3.4 A
Why does practically all of an RF current flow within a few thousandths-of-
an-inch of the conductor's surface?
A. Because of skin effect
B. Because the RF resistance of the conductor is much less than the DC
resistance
C. Because of heating of the metal at the conductor's interior
D. Because of the AC-resistance of the conductor's self inductance
4AE 3.5 C
Why is the resistance of a conductor different for RF current than for DC?
A. Because the insulation conducts current at radio frequencies
B. Because of the Heisenburg Effect
C. Because of skin effect
D. Because conductors are non-linear devices
4AE 4.1 B
What is a magnetic field?
A. Current flow through space around a permanent magnet
B. A force set up when current flows through a conductor
C. The force between the plates of a charged capacitor
D. The force that drives current through a resistor
4AE 4.2 D
In what direction is the magnetic field about a conductor when current is
flowing?
A. In the same direction as the current
B. In a direction opposite to the current flow
C. In all directions; omnidirectional
D. In a direction determined by the left hand rule
4AE 4.3 C
What device is used to store electrical energy in an electrostatic field?
A. A battery
B. A transformer
C. A capacitor
D. An inductor
4AE 4.4 B
What is the term used to express the amount of electrical energy stored in
an electrostatic field?
A. Coulombs
B. Joules
C. Watts
D. Volts
4AE 4.5 B
What factors determine the capacitance of a capacitor?
A. Area of the plates, voltage on the plates and distance between the plates
B. Area of the plates, distance between the plates and the dielectric
constant of the material between the plates
C. Area of the plates, voltage on the plates and the dielectric constant of
the material between the plates
D. Area of the plates, amount of charge on the plates and the dielectric
constant of the material between the plates
4AE 4.6 A
What is the dielectric constant for air?
A. Approximately 1
B. Approximately 2
C. Approximately 4
D. Approximately 0
4AE 4.7 D
What determines the strength of the magnetic field around a conductor?
A. The resistance divided by the current
B. The ratio of the current to the resistance
C. The diameter of the conductor
D. The amount of current
4AE 5.1 C
What is the resonant frequency of the circuit in Figure 4AE-5-1 when L is 50
microhenrys and C is 40 picofarads?
A. 79.6 MHz
B. 1.78 MHz
C. 3.56 MHz
D. 7.96 MHz
4AE 5.2 B
What is the resonant frequency of the circuit in Figure 4AE-5-1 when L is 40
microhenrys and C is 200 picofarads?
A. 1.99 kHz
B. 1.78 MHz
C. 1.99 MHz
D. 1.78 kHz
4AE 5.3 C
What is the resonant frequency of the circuit in Figure 4AE-5-1 when L is 50
microhenrys and C is 10 picofarads?
A. 3.18 MHz
B. 3.18 kHz
C. 7.12 MHz
D. 7.12 kHz
4AE 5.4 A
What is the resonant frequency of the circuit in Figure 4AE-5-1 when L is 25
microhenrys and C is 10 picofarads?
A. 10.1 MHz
B. 63.7 MHz
C. 10.1 kHz
D. 63.7 kHz
4AE 5.5 B
What is the resonant frequency of the circuit in Figure 4AE-5-1 when L is 3
microhenrys and C is 40 picofarads?
A. 13.1 MHz
B. 14.5 MHz
C. 14.5 kHz
D. 13.1 kHz
4AE 5.6 D
What is the resonant frequency of the circuit in Figure 4AE-5-1 when L is 4
microhenrys and C is 20 picofarads?
A. 19.9 kHz
B. 17.8 kHz
C. 19.9 MHz
D. 17.8 MHz
4AE 5.7 C
What is the resonant frequency of the circuit in Figure 4AE-5-1 when L is 8
microhenrys and C is 7 picofarads?
A. 2.84 MHz
B. 28.4 MHz
C. 21.3 MHz
D. 2.13 MHz
4AE 5.8 A
What is the resonant frequency of the circuit in Figure 4AE-5-1 when L is 3
microhenrys and C is 15 picofarads?
A. 23.7 MHz
B. 23.7 kHz
C. 35.4 kHz
D. 35.4 MHz
4AE 5.9 B
What is the resonant frequency of the circuit in Figure 4AE-5-1 when L is 4
microhenrys and C is 8 picofarads?
A. 28.1 kHz
B. 28.1 MHz
C. 49.7 MHz
D. 49.7 kHz
4AE 5.10 C
What is the resonant frequency of the circuit in Figure 4AE-5-1 when L is 1
microhenry and C is 9 picofarads?
A. 17.7 MHz
B. 17.7 kHz
C. 53.1 MHz
D. 53.1 kHz
4AE 5.11 A
What is the resonant frequency of the circuit in Figure 4AE-5-2 when L is 1
microhenry and C is 10 picofarads?
A. 50.3 MHz
B. 15.9 MHz
C. 15.9 kHz
D. 50.3 kHz
4AE 5.12 B
What is the resonant frequency of the circuit in Figure 4AE-5-2 when L is 2
microhenrys and C is 15 picofarads?
A. 29.1 kHz
B. 29.1 MHz
C. 5.31 MHz
D. 5.31 kHz
4AE 5.13 C
What is the resonant frequency of the circuit in Figure 4AE-5-2 when L is 5
microhenrys and C is 9 picofarads?
A. 23.7 kHz
B. 3.54 kHz
C. 23.7 MHz
D. 3.54 MHz
4AE 5.14 D
What is the resonant frequency of the circuit in Figure 4AE-5-2 when L is 2
microhenrys and C is 30 picofarads?
A. 2.65 kHz
B. 20.5 kHz
C. 2.65 MHz
D. 20.5 MHz
4AE 5.15 A
What is the resonant frequency of the circuit in Figure 4AE-5-2 when L is 15
microhenrys and C is 5 picofarads?
A. 18.4 MHz
B. 2.12 MHz
C. 18.4 kHz
D. 2.12 kHz
4AE 5.16 B
What is the resonant frequency of the circuit in Figure 4AE-5-2 when L is 3
microhenrys and C is 40 picofarads?
A. 1.33 kHz
B. 14.5 MHz
C. 1.33 MHz
D. 14.5 kHz
4AE 5.17 C
What is the resonant frequency of the circuit in Figure 4AE-5-2 when L is 40
microhenrys and C is 6 picofarads?
A. 6.63 MHz
B. 6.63 kHz
C. 10.3 MHz
D. 10.3 kHz
4AE 5.18 D
What is the resonant frequency of the circuit in Figure 4AE-5-2 when L is 10
microhenrys and C is 50 picofarads?
A. 3.18 MHz
B. 3.18 kHz
C. 7.12 kHz
D. 7.12 MHz
4AE 5.19 A
What is the resonant frequency of the circuit in Figure 4AE-5-2 when L is
200 microhenrys and C is 10 picofarads?
A. 3.56 MHz
B. 7.96 kHz
C. 3.56 kHz
D. 7.96 MHz
4AE 5.20 B
What is the resonant frequency of the circuit in Figure 4AE-5-2 when L is 90
microhenrys and C is 100 picofarads?
A. 1.77 MHz
B. 1.68 MHz
C. 1.77 kHz
D. 1.68 kHz
4AE 5.21 A
What is the half-power bandwidth of a parallel resonant circuit which has a
resonant frequency of 1.8 MHz and a Q of 95?
A. 18.9 kHz
B. 1.89 kHz
C. 189 Hz
D. 58.7 kHz
4AE 5.22 D
What is the half-power bandwidth of a parallel resonant circuit which has a
resonant frequency of 3.6 MHz and a Q of 218?
A. 58.7 kHz
B. 606 kHz
C. 47.3 kHz
D. 16.5 kHz
4AE 5.23 C
What is the half-power bandwidth of a parallel resonant circuit which has a
resonant frequency of 7.1 MHz and a Q of 150?
A. 211 kHz
B. 16.5 kHz
C. 47.3 kHz
D. 21.1 kHz
4AE 5.24 D
What is the half-power bandwidth of a parallel resonant circuit which has a
resonant frequency of 12.8 MHz and a Q of 218?
A. 21.1 kHz
B. 27.9 kHz
C. 17 kHz
D. 58.7 kHz
4AE 5.25 A
What is the half-power bandwidth of a parallel resonant circuit which has a
resonant frequency of 14.25 MHz and a Q of 150?
A. 95 kHz
B. 10.5 kHz
C. 10.5 MHz
D. 17 kHz
4AE 5.26 D
What is the half-power bandwidth of a parallel resonant circuit which has a
resonant frequency of 21.15 MHz and a Q of 95?
A. 4.49 kHz
B. 44.9 kHz
C. 22.3 kHz
D. 222.6 kHz
4AE 5.27 B
What is the half-power bandwidth of a parallel resonant circuit which has a
resonant frequency of 10.1 MHz and a Q of 225?
A. 4.49 kHz
B. 44.9 kHz
C. 22.3 kHz
D. 223 kHz
4AE 5.28 A
What is the half-power bandwidth of a parallel resonant circuit which has a
resonant frequency of 18.1 MHz and a Q of 195?
A. 92.8 kHz
B. 10.8 kHz
C. 22.3 kHz
D. 44.9 kHz
4AE 5.29 C
What is the half-power bandwidth of a parallel resonant circuit which has a
resonant frequency of 3.7 MHz and a Q of 118?
A. 22.3 kHz
B. 76.2 kHz
C. 31.4 kHz
D. 10.8 kHz
4AE 5.30 D
What is the half-power bandwidth of a parallel resonant circuit which has a
resonant frequency of 14.25 MHz and a Q of 187?
A. 22.3 kHz
B. 10.8 kHz
C. 13.1 kHz
D. 76.2 kHz
4AE 5.31 A
What is the Q of the circuit in Figure 4AE-5-3 when the resonant frequency
is 14.128 MHz, the inductance is 2.7 microhenrys and the resistance is
18,000 ohms?
A. 75.1
B. 7.51
C. 71.5
D. 0.013
4AE 5.32 B
What is the Q of the circuit in Figure 4AE-5-3 when the resonant frequency
is 14.128 MHz, the inductance is 4.7 microhenrys and the resistance is
18,000 ohms?
A. 4.31
B. 43.1
C. 13.3
D. 0.023
4AE 5.33 C
What is the Q of the circuit in Figure 4AE-5-3 when the resonant frequency
is 4.468 MHz, the inductance is 47 microhenrys and the resistance is 180
ohms?
A. 0.00735
B. 7.35
C. 0.136
D. 13.3
4AE 5.34 D
What is the Q of the circuit in Figure 4AE-5-3 when the resonant frequency
is 14.225 MHz, the inductance is 3.5 microhenrys and the resistance is
10,000 ohms?
A. 7.35
B. 0.0319
C. 71.5
D. 31.9
4AE 5.35 D
What is the Q of the circuit in Figure 4AE-5-3 when the resonant frequency
is 7.125 MHz, the inductance is 8.2 microhenrys and the resistance is 1,000
ohms?
A. 36.8
B. 0.273
C. 0.368
D. 2.73
4AE 5.36 A
What is the Q of the circuit in Figure 4AE-5-3 when the resonant frequency
is 7.125 MHz, the inductance is 10.1 microhenrys and the resistance is 100
ohms?
A. 0.221
B. 4.52
C. 0.00452
D. 22.1
4AE 5.37 B
What is the Q of the circuit in Figure 4AE-5-3 when the resonant frequency
is 7.125 MHz, the inductance is 12.6 microhenrys and the resistance is
22,000 ohms?
A. 22.1
B. 39
C. 25.6
D. 0.0256
4AE 5.38 B
What is the Q of the circuit in Figure 4AE-5-3 when the resonant frequency
is 3.625 MHz, the inductance is 3 microhenrys and the resistance is 2,200
ohms?
A. 0.031
B. 32.2
C. 31.1
D. 25.6
4AE 5.39 D
What is the Q of the circuit in Figure 4AE-5-3 when the resonant frequency
is 3.625 MHz, the inductance is 42 microhenrys and the resistance is 220
ohms?
A. 23
B. 0.00435
C. 4.35
D. 0.23
4AE 5.40 A
What is the Q of the circuit in Figure 4AE-5-3 when the resonant frequency
is 3.625 MHz, the inductance is 43 microhenrys and the resistance is 1,800
ohms?
A. 1.84
B. 0.543
C. 54.3
D. 23
4AE 6.1 A
What is the phase angle between the voltage across and the current through
the circuit in Figure 4AE-6, when Xc is 25 ohms, R is 100 ohms, and Xl is
100 ohms?
A. 36.9 degrees with the voltage leading the current
B. 53.1 degrees with the voltage lagging the current
C. 36.9 degrees with the voltage lagging the current
D. 53.1 degrees with the voltage leading the current
4AE 6.2 B
What is the phase angle between the voltage across and the current through
the circuit in Figure 4AE-6, when Xc is 25 ohms, R is 100 ohms, and Xl is 50
ohms?
A. 14 degrees with the voltage lagging the current
B. 14 degrees with the voltage leading the current
C. 76 degrees with the voltage lagging the current
D. 76 degrees with the voltage leading the current
4AE 6.3 C
What is the phase angle between the voltage across and the current through
the circuit in Figure 4AE-6, when Xc is 500 ohms, R is 1000 ohms, and Xl is
250 ohms?
A. 68.2 degrees with the voltage leading the current
B. 14.1 degrees with the voltage leading the current
C. 14.1 degrees with the voltage lagging the current
D. 68.2 degrees with the voltage lagging the current
4AE 6.4 B
What is the phase angle between the voltage across and the current through
the circuit in Figure 4AE-6, when Xc is 75 ohms, R is 100 ohms, and Xl is
100 ohms?
A. 76 degrees with the voltage leading the current
B. 14 degrees with the voltage leading the current
C. 14 degrees with the voltage lagging the current
D. 76 degrees with the voltage lagging the current
4AE 6.5 D
What is the phase angle between the voltage across and the current through
the circuit in Figure 4AE-6, when Xc is 50 ohms, R is 100 ohms, and Xl is 25
ohms?
A. 76 degrees with the voltage lagging the current
B. 14 degrees with the voltage leading the current
C. 76 degrees with the voltage leading the current
D. 14 degrees with the voltage lagging the current
4AE 6.6 B
What is the phase angle between the voltage across and the current through
the circuit in Figure 4AE-6, when Xc is 75 ohms, R is 100 ohms, and Xl is 50
ohms?
A. 76 degrees with the voltage lagging the current
B. 14 degrees with the voltage lagging the current
C. 14 degrees with the voltage leading the current
D. 76 degrees with the voltage leading the current
4AE 6.7 A
What is the phase angle between the voltage across and the current through
the circuit in Figure 4AE-6, when Xc is 100 ohms, R is 100 ohms, and Xl is
75 ohms?
A. 14 degrees with the voltage lagging the current
B. 14 degrees with the voltage leading the current
C. 76 degrees with the voltage leading the current
D. 76 degrees with the voltage lagging the current
4AE 6.8 D
What is the phase angle between the voltage across and the current through
the circuit in Figure 4AE-6, when Xc is 250 ohms, R is 1000 ohms, and Xl is
500 ohms?
A. 81.47 degrees with the voltage lagging the current
B. 81.47 degrees with the voltage leading the current
C. 14.04 degrees with the voltage lagging the current
D. 14.04 degrees with the voltage leading the current
4AE 6.9 D
What is the phase angle between the voltage across and the current through
the circuit in Figure 4AE-6, when Xc is 50 ohms, R is 100 ohms, and Xl is 75
ohms?
A. 76 degrees with the voltage leading the current
B. 76 degrees with the voltage lagging the current
C. 14 degrees with the voltage lagging the current
D. 14 degrees with the voltage leading the current
4AE 6.10 C
What is the phase angle between the voltage across and the current through
the circuit in Figure 4AE-6, when Xc is 100 ohms, R is 100 ohms, and Xl is
25 ohms?
A. 36.9 degrees with the voltage leading the current
B. 53.1 degrees with the voltage lagging the current
C. 36.9 degrees with the voltage lagging the current
D. 53.1 degrees with the voltage leading the current
4AE 7.1 A
Why would the rate at which electrical energy is used in a circuit be less
than the product of the magnitudes of the AC voltage and current?
A. Because there is a phase angle that is greater than zero between the
current and voltage
B. Because there are only resistances in the circuit
C. Because there are no reactances in the circuit
D. Because there is a phase angle that is equal to zero between the current
and voltage
4AE 7.2 A
In a circuit where the AC voltage and current are out of phase, how can the
true power be determined?
A. By multiplying the apparent power times the power factor
B. By subtracting the apparent power from the power factor
C. By dividing the apparent power by the power factor
D. By multiplying the RMS voltage times the RMS current
4AE 7.3 C
What does the power factor equal in an R-L circuit having a 60 degree phase
angle between the voltage and the current?
A. 1.414
B. 0.866
C. 0.5
D. 1.73
4AE 7.4 D
What does the power factor equal in an R-L circuit having a 45 degree phase
angle between the voltage and the current?
A. 0.866
B. 1.0
C. 0.5
D. 0.707
4AE 7.5 C
What does the power factor equal in an R-L circuit having a 30 degree phase
angle between the voltage and the current?
A. 1.73
B. 0.5
C. 0.866
D. 0.577
4AE 7.6 B
How many watts are being consumed in a circuit having a power factor of 0.2
when the input is 100-VAC and 4-amperes is being drawn?
A. 400 watts
B. 80 watts
C. 2000 watts
D. 50 watts
4AE 7.7 D
How many watts are being consumed in a circuit having a power factor of 0.6
when the input is 200-VAC and 5-amperes is being drawn?
A. 200 watts
B. 1000 watts
C. 1600 watts
D. 600 watts
4AE 8.1 B
What is the effective radiated power of a station in repeater operation with
50 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and
circulator loss, and 6 dB antenna gain?
A. 158 watts, assuming the antenna gain is referenced to a half-wave dipole
B. 39.7 watts, assuming the antenna gain is referenced to a half-wave dipole
C. 251 watts, assuming the antenna gain is referenced to a half-wave dipole
D. 69.9 watts, assuming the antenna gain is referenced to a half-wave dipole
4AE 8.2 C
What is the effective radiated power of a station in repeater operation with
50 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and
circulator loss, and 7 dB antenna gain?
A. 300 watts, assuming the antenna gain is referenced to a half-wave dipole
B. 315 watts, assuming the antenna gain is referenced to a half-wave dipole
C. 31.5 watts, assuming the antenna gain is referenced to a half-wave dipole
D. 69.9 watts, assuming the antenna gain is referenced to a half-wave dipole
4AE 8.3 D
What is the effective radiated power of a station in repeater operation with
75 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and
circulator loss, and 10 dB antenna gain?
A. 600 watts, assuming the antenna gain is referenced to a half-wave dipole
B. 75 watts, assuming the antenna gain is referenced to a half-wave dipole
C. 18.75 watts, assuming the antenna gain is referenced to a half-wave
dipole
D. 150 watts, assuming the antenna gain is referenced to a half-wave dipole
4AE 8.4 A
What is the effective radiated power of a station in repeater operation with
75 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and
circulator loss, and 6 dB antenna gain?
A. 37.6 watts, assuming the antenna gain is referenced to a half-wave dipole
B. 237 watts, assuming the antenna gain is referenced to a half-wave dipole
C. 150 watts, assuming the antenna gain is referenced to a half-wave dipole
D. 23.7 watts, assuming the antenna gain is referenced to a half-wave dipole
4AE 8.5 D
What is the effective radiated power of a station in repeater operation with
100 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and
circulator loss, and 7 dB antenna gain?
A. 631 watts, assuming the antenna gain is referenced to a half-wave dipole
B. 400 watts, assuming the antenna gain is referenced to a half-wave dipole
C. 25 watts, assuming the antenna gain is referenced to a half-wave dipole
D. 100 watts, assuming the antenna gain is referenced to a half-wave dipole
4AE 8.6 B
What is the effective radiated power of a station in repeater operation with
100 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and
circulator loss, and 10 dB antenna gain?
A. 800 watts, assuming the antenna gain is referenced to a half-wave dipole
B. 126 watts, assuming the antenna gain is referenced to a half-wave dipole
C. 12.5 watts, assuming the antenna gain is referenced to a half-wave dipole
D. 1260 watts, assuming the antenna gain is referenced to a half-wave dipole
4AE 8.7 C
What is the effective radiated power of a station in repeater operation with
120 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and
circulator loss, and 6 dB antenna gain?
A. 601 watts, assuming the antenna gain is referenced to a half-wave dipole
B. 240 watts, assuming the antenna gain is referenced to a half-wave dipole
C. 60 watts, assuming the antenna gain is referenced to a half-wave dipole
D. 379 watts, assuming the antenna gain is referenced to a half-wave dipole
4AE 8.8 D
What is the effective radiated power of a station in repeater operation with
150 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and
circulator loss, and 7 dB antenna gain?
A. 946 watts, assuming the antenna gain is referenced to a half-wave dipole
B. 37.5 watts, assuming the antenna gain is referenced to a half-wave dipole
C. 600 watts, assuming the antenna gain is referenced to a half-wave dipole
D. 150 watts, assuming the antenna gain is referenced to a half-wave dipole
4AE 8.9 A
What is the effective radiated power of a station in repeater operation with
200 watts transmitter power output, 4 dB feedline loss, 4 dB duplexer and
circulator loss, and 10 dB antenna gain?
A. 317 watts, assuming the antenna gain is referenced to a half-wave dipole
B. 2000 watts, assuming the antenna gain is referenced to a half-wave dipole
C. 126 watts, assuming the antenna gain is referenced to a half-wave dipole
D. 260 watts, assuming the antenna gain is referenced to a half-wave dipole
4AE 8.10 D
What is the effective radiated power of a station in repeater operation with
200 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and
circulator loss, and 6 dB antenna gain?
A. 252 watts, assuming the antenna gain is referenced to a half-wave dipole
B. 63.2 watts, assuming the antenna gain is referenced to a half-wave dipole
C. 632 watts, assuming the antenna gain is referenced to a half-wave dipole
D. 159 watts, assuming the antenna gain is referenced to a half-wave dipole
4AE 9.1 B
In Figure 4AE-9, what values of V2 and R3 result in the same voltage and
current characteristics as when V1 is 8-volts, R1 is 8 kilohms, and R2 is 8
kilohms?
A. R3 = 4 kilohms and V2 = 8 volts
B. R3 = 4 kilohms and V2 = 4 volts
C. R3 = 16 kilohms and V2 = 8 volts
D. R3 = 16 kilohms and V2 = 4 volts
4AE 9.2 C
In Figure 4AE-9, what values of V2 and R3 result in the same voltage and
current characteristics as when V1 is 8-volts, R1 is 16 kilohms, and R2 is
8 kilohms?
A. R3 = 24 kilohms and V2 = 5.33 volts
B. R3 = 5.33 kilohms and V2 = 8 volts
C. R3 = 5.33 kilohms and V2 = 2.67 volts
D. R3 = 24 kilohms and V2 = 8 volts
4AE 9.3 C
In Figure 4AE-9, what values of V2 and R3 result in the same voltage and
current characteristics as when V1 is 8-volts, R1 is 8 kilohms, and R2 is 16
kilohms?
A. R3 = 24 kilohms and V2 = 8 volts
B. R3 = 8 kilohms and V2 = 4 volts
C. R3 = 5.33 kilohms and V2 = 5.33 volts
D. R3 = 5.33 kilohms and V2 = 8 volts
4AE 9.4 D
In Figure 4AE-9, what values of V2 and R3 result in the same voltage and
current characteristics as when V1 is 10-volts, R1 is 10 kilohms, and R2 is
10 kilohms?
A. R3 = 10 kilohms and V2 = 5 volts
B. R3 = 20 kilohms and V2 = 5 volts
C. R3 = 20 kilohms and V2 = 10 volts
D. R3 = 5 kilohms and V2 = 5 volts
4AE 9.5 C
In Figure 4AE-9, what values of V2 and R3 result in the same voltage and
current characteristics as when V1 is 10-volts, R1 is 20 kilohms, and R2 is
10 kilohms?
A. R3 = 30 kilohms and V2 = 10 volts
B. R3 = 6.67 kilohms and V2 = 10 volts
C. R3 = 6.67 kilohms and V2 = 3.33 volts
D. R3 = 30 kilohms and V2 = 3.33 volts
4AE 9.6 A
In Figure 4AE-9, what values of V2 and R3 result in the same voltage and
current characteristics as when V1 is 10-volts, R1 is 10 kilohms, and R2 is
20 kilohms?
A. R3 = 6.67 kilohms and V2 = 6.67 volts
B. R3 = 6.67 kilohms and V2 = 10 volts
C. R3 = 30 kilohms and V2 = 6.67 volts
D. R3 = 30 kilohms and V2 = 10 volts
4AE 9.7 B
In Figure 4AE-9, what values of V2 and R3 result in the same voltage and
current characteristics as when V1 is 12-volts, R1 is 10 kilohms, and R2 is
10 kilohms?
A. R3 = 20 kilohms and V2 = 12 volts
B. R3 = 5 kilohms and V2 = 6 volts
C. R3 = 5 kilohms and V2 = 12 volts
D. R3 = 30 kilohms and V2 = 6 volts
4AE 9.8 B
In Figure 4AE-9, what values of V2 and R3 result in the same voltage and
current characteristics as when V1 is 12-volts, R1 is 20 kilohms, and R2 is
10 kilohms?
A. R3 = 30 kilohms and V2 = 4 volts
B. R3 = 6.67 kilohms and V2 = 4 volts
C. R3 = 30 kilohms and V2 = 12 volts
D. R3 = 6.67 kilohms and V2 = 12 volts
4AE 9.9 C
In Figure 4AE-9, what values of V2 and R3 result in the same voltage and
current characteristics as when V1 is 12-volts, R1 is 10 kilohms, and R2 is
20 kilohms?
A. R3 = 6.67 kilohms and V2 = 12 volts
B. R3 = 30 kilohms and V2 = 12 volts
C. R3 = 6.67 kilohms and V2 = 8 volts
D. R3 = 30 kilohms and V2 = 8 volts
4AE 9.10 C
In Figure 4AE-9, what values of V2 and R3 result in the same voltage and
current characteristics as when V1 is 12-volts, R1 is 20 kilohms, and R2 is
20 kilohms?
A. R3 = 40 kilohms and V2 = 12 volts
B. R3 = 40 kilohms and V2 = 6 volts
C. R3 = 10 kilohms and V2 = 6 volts
D. R3 = 10 kilohms and V2 = 12 volts
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End of Subelement 4AE.