Electric Power Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Electric power is related to

1. current in component
2. potential difference
3. electrical resistance
4. both A and B

MCQ 2: Generators at a power station produce electric power at voltage

1. 45 kW
2. 50 kW
3. 60 kW
4. 25 kW

MCQ 3: To protect wiring from excessive passing of current is

1. voltmeter
2. fuse
3. galvanometer
4. resistance

MCQ 4: Current in a 60 W light bulb when it is connected to a 230 V power supply is

1. 0.26 A
2. 1.5 A
3. 2.6 A
4. 3.9 A

MCQ 5: Grid cables are 15 km long with a resistance of 0.20 Ω km^-1, powers wasted as heat in these cables are

1. 50 kW
2. 60 kW
3. 20 kW
4. 30 kW