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WorksheetsElectricity 2
Total questions: 10
Worksheet time: 5mins
Which of the following semiconductor devices allows rectification?
Diode
Light Dependant Resistor
Thermistor
None
Rectification is chaning alternating current to direct current
True
False
How can you prevent a fire in the home being caused by an electric fault?
Fix a resistor in the live wire, it reduces current flow
Fix a diode in the live wire, it stops current flow
Fix a fuse, it burns out, opening the circuit, so no current flows
a normal wire will do the job of stopping the fire
Which of the following device is the best saftey device that stops high current from damaging devices
Circuit Breaker
Fuse
Resistor
Diode
How many electrons are flowing past a point per second if current flow is 0.5 A
1 C of electrons
0.5 C of electrons
2 C of electrons
None of the above
Towards which terminal of power supply should negative terminal (black) of ammeter be connected?
Negative terminal of power supply
Positive terminal of power supply
Ammeter is always connected in
series
parallel
Voltmeter is always connected in
Series
Parallel
Lamps are brighter in
Series
Parallel
Lamps are brighter in parallel because
Voltage is same in parallel
Current is same in parallel
