home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
HAM Radio 3.2
/
Ham Radio Version 3.2 (Chestnut CD-ROMs)(1993).ISO
/
exam
/
adv20
/
adv4.dat
< prev
next >
Wrap
Text File
|
1991-11-20
|
21KB
|
534 lines
171E-5.12 B 5-14 F = _____1____ = _________1_________| 2*π*√(L*C) 6.28*√(2E-6*15E-12)
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
*
172E-5.13 C 5-14 F = 1/6.28*√(5E-6*9E-12) |1. Multiply L*C 2. Take √ |3. Multiply by 6.28 3. Take 1/X
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
*
173E-5.14 D 5-14 F = 1/6.28*√(2E-6*30E-12)|1. Multiply L*C 2. Take √ |3. Multiply by 6.28 3. Take 1/X
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
*
174E-5.15 A 5-14 F = 1/6.28*√(15E-6*5E-12)|1. Multiply L*C 2. Take √ |3. Multiply by 6.28 3. Take 1/X
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
*
175E-5.16 B 5-14 F = 1/6.28*√(3E-6*40E-12)|1. Multiply L*C 2. Take √ |3. Multiply by 6.28 3. Take 1/X
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
*
176E-5.17 C 5-14 F = 1/6.28*√(40E-6*6E-12)|1. Multiply L*C 2. Take √ |3. Multiply by 6.28 3. Take 1/X
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
*
177E-5.18 D 5-14 F = 1/6.28*√(10E-6*50E-12)|1. Multiply L*C 2. Take √ |3. Multiply by 6.28 3. Take 1/X
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
*
178E-5.19 A 5-14 F = 1/6.28*√(200E-6*10E-12)|1. Multiply L*C 2. Take √ |3. Multiply by 6.28 3. Take 1/X
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
*
179E-5.20 B 5-14 F = 1/6.28*√(90E-6*100E-12)|1. Multiply L*C 2. Take √ |3. Multiply by 6.28 3. Take 1/X
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
*
180E-5.21 A 5-20 BW = F/Q, BW = 1.8E6/95|BW = 18.9 kHz
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
*
181E-5.22 D 5-20 BW = F/Q, BW = 3,600,000/218
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
*
182E-5.23 C 5-20 BW = F/Q, BW = 7.1E6/150|BW = 47.33 kHz
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
*
183E-5.24 D 5-20 BW = F/Q, BW = 12,800,000/218
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
*
184E-5.25 A 5-20 BW = F/Q, BW = 14.25E6/150
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
*
185E-5.26 D 5-20 BW = F/Q, BW = 21.15E6/95
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
*
186E-5.27 B 5-20 BW = F/Q, BW = 10.1E6/225
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
*
187E-5.28 A 5-20 BW = F/Q, BW = 18.1E6/195
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
*
188E-5.29 C 5-20 BW = F/Q, BW = 3.7E6/118
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
*
189E-5.30 D 5-20 BW = F/Q, BW = 14.25E6/187
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
*
190E-5.31 A 5-19 Xl = 6.28*14.128E6*2.7E-6|Q = R/X, Q=18000/239.55|Q = 75.1
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
*
191E-5.32 B 5-19 Xl = 2πFL, Xl=417.2|Q = R/X, Q = 18000/417.2
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
*
192E-5.33 C 5-19 Xl = 2πFL, Xl=1319|Q = R/X, Q = 180/1319
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
*
193E-5.34 D 5-19 Xl = 2πFL, Xl=312.8|Q = R/X, Q = 10000/312.8
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
*
194E-5.35 D 5-19 Xl = 2πFL, Xl = 367.1|Q = R/X, Q = 1000/367.1
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
*
195E-5.36 A 5-19 Xl = 2πFL, Xl = 452.1|Q = R/X, Q = 100/452.1
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
*
196E-5.37 B 5-19 Xl = 2πFL, Xl = 564.1|Q = R/X, Q = 22000/564.1
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
*
197E-5.38 B 5-19 Xl = 2πFL, Xl = 68.32|Q = R/X, Q = 2200/68.32
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
*
198E-5.39 D 5-19 Xl = 2πFL, Xl = 956.6|Q = R/X, Q= 956.6/220
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
*
199E-5.40 A 5-19 Xl = 2πFL, Xl = 979.4|Q = R/X, Q=1800/979.4
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
*
200E-6.1 A 5-11 Z = R +jXl -jXc, Z = 100 +j100 -j25|Z=100 +j75, +j Leading, Θ = ATAN(X/R)|Θ = ATAN(+75/100), Θ = +36.9°
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
*
201E-6.2 B 5-11 Z = R +jXl -jXc, Z = 100 +j50 -j25|Z=100 +j25, +j Leading, Θ = ATAN(X/R)|Θ = ATAN(+25/100), Θ = +14.0°
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
*
202E-6.3 C 5-11 Z = R +jXl -jXc, Z = 1000 +j250 -j500|Z=1000 -j250, -j lagging, Θ=ATAN(X/R)|Θ = ATAN(-250/1000), Θ = -14.0°
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
*
203E-6.4 B 5-11 Z = R +jXl -jXc, Z = 100 +j100 -j75|Z=100 +j25, Θ=ATAN(X/R), Θ = ATAN(.25)|Θ = +14°, Note positive angle, leading
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
*
204E-6.5 D 5-11 Z = R +jXl -jXc, Z = 100 +j25 -j50|Z=100-j25, Θ=ATAN(X/R), Θ = ATAN(-.25)|Θ = -14°, Note negative angle, lagging
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
*
205E-6.6 B 5-11 Z = R +jXl -jXc, Z = 100 +j50 -j75|Z=100-j25, Θ=ATAN(X/R), Θ = ATAN(-.25)|Θ = -14°, Note negative angle, lagging
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
*
206E-6.7 A 5-11 Z = R +jXl -jXc, Z = 100 +j75 -j100|Z=100-j25, Θ=ATAN(X/R), Θ = ATAN(-.25)|Θ = -14°, Note negative angle, lagging
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
*
207E-6.8 D 5-11 Z = R +jXl -jXc, Z = 1000 +j500 -j250|Z=1000+j250, +j leading/positive angle|Θ=ATAN(250/1000), Θ=ATAN(.25), Θ = 14°
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
*
208E-6.9 D 5-11 Z = R +jXl -jXc, Z = 100 +j75 -j50|Z=100 +j25, Θ=ATAN(X/R), Θ = ATAN(.25)|Θ = +14°, Note positive angle, leading
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
*
209E-6.10 C 5-11 Z = R +jXl -jXc, Z = 100 +j25 -j100|Z=100-j75, -j Lagging, Θ = ATAN(X/R)|Θ = ATAN(-75/100), Θ = -36.9°
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
*
210E-7.1 A 5-21 Phase angle is greater that zero
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
*
211E-7.2 A 5-22 P=V*I*COS(Θ) Where COS(Θ)|is the power factor
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
*
212E-7.3 C 5-23 COS(60°)
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
*
213E-7.4 D 5-23 COS(45°)
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
*
214E-7.5 C 5-23 COS(30°)
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
*
215E-7.6 B 5-22 P = V*I*COS(Θ)|COS(Θ) = 0.2 |P = 100*4*0.2
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
*
216E-7.7 D 5-22 P = V*I*COS(Θ)|COS(Θ) = 0.6 |P = 200*5*0.6
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
*
217E-8.1 B 5-24 Add dBs, -4-3+6 = -1 dB|dBs to N, N = 10(-1/10)|ERP = 50*N, ERP = 50*.794
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
*
218E-8.2 C 5-24 -5-4+7=-2 dB, Net loss|Must be smaller that 50
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
*
219E-8.3 D 5-24 Add dBs, -4-3+10 = 3 dB|dBs to N, N = 10(3/10)|ERP = 50*N, ERP = 75*2.0
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
*
220E-8.4 A 5-24 -5-4+6 = -3 dB, Net loss|-3 dB is half power point
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 wafts, assuming the antenna gain is referenced to a half-
wave dipole
*
221E-8.5 D 5-24 Add dBs, -4-3+7 = 0 dB|ERP = output power
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
*
222E-8.6 B 5-24 -5-4+10 = +1 dB|Slight increase|Try 126 watts
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
*
223E-8.7 C 5-24 -5-4+6 = -3 dB or half power
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
*
224E-8.8 D 5-24 Add dBs, -4-3+7 = 0 dB|ERP = output power
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
*
225E-8.9 A 5-24 Add dBs, -4-4+10 = + 2 dB|dBs to N, N = 10(2/10)|ERP = 200*N, ERP = 200*1.58
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
*
226E-8.10 D 5-24 -4-3+6 = -1 dB, Slight Loss|Try 159 Watts
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
*
227E-9.1 B 5-24 Rt = R1/2 (Parallel equals)|V2 = V1/2 (Divider equal)
In Figure 4AE-9, what values of V2 and R3 result in the same
voltage and current characteristics as when V1 is 8-vo1ts, 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
*