The purpose of an electric meter in a house is:

1. to give the cost of electricity directly
2. to give the consumption of electrical energy
3. to safeguard the circuit from electrical short circuit
4. to put on or off the mains.

If out of the two lighted bulbs in a room, one bulb suddenly fuses, then:

1. the other bulb will glow more
2. the other bulb will glow less
3. the other bulb will also fuse
4. the other bulb will remain lighted and unaffected.

What is an electric meter? Where is it fixed in our house?

State the purpose of kWh meter.