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1995-03-21
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1KB
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37 lines
Study the following statements & decide which are true and which are false:
An ammeter is used to measure current/True
A voltameter measures voltage/False
The unit of current is the Ohm/False
Electrons flow in a circuit/True
Atoms flow in a circuit/False
Electrons have a negative charge/True
Electrons have a positive charge/False
A group of cells is a battery/True
Electricity is a form of energy/True
A lamp makes a break in a circuit/False
Charge is measured in Coulombs/True
Potential difference is measured in volts/True
High resistance means low current/True
Low resistance means low current/False
Resistance does not affect current/False
Resistance is measured in volts/False
Lightbulb filaments are made of tungsten/True
Metals are all poor conductors/False
Energy is measured in Joules/True
d.c stands for direct current/True
a.c stands for amps collected/False
Electricity in the home is d.c/False
Fuses have thin wire inside them/True
Earth on a plug is connected to the fuse/False
The neutral on a plug is blue/True
The live on a plug is green/False
Power is measured in Joules/False
Watts are the unit of power/True
All devices are 240 Watts/False
All applicances need 13A fuses/False
Power = voltage x current/True
In a plug, all three pins are live/False
Series circuits exist/True
Lateral circuits don not exist/True
All circuits are parallel circuits/False