Electrical work done per unit time is:

1. electrical energy
2. electric current
3. electric voltage
4. electrical power

One kilowatt is equal to:

1. 100 watt
2. 1000 watt
3. 10 watt
4. none of these

A fuse wire should have:

1. a low melting point
2. high melting point
3. very high melting point
4. none of the above

When switch of an electrical appliance is put off, it disconnects:

1. the live wire
2. the neutral wire
3. the earth wire
4. the live and the neutral wires