Physics
When switch of an electrical appliance is put off, it disconnects:
- the live wire
- the neutral wire
- the earth wire
- the live and the neutral wires
Related Questions
Fuse wire is an alloy of:
- tin-lead
- copper-lead
- tin-copper
- lead-silver
A fuse wire should have:
- a low melting point
- high melting point
- very high melting point
- none of the above
The purpose of an electric meter in a house is:
- to give the cost of electricity directly
- to give the consumption of electrical energy
- to safeguard the circuit from electrical short circuit
- to put on or off the mains.
If out of the two lighted bulbs in a room, one bulb suddenly fuses, then:
- the other bulb will glow more
- the other bulb will glow less
- the other bulb will also fuse
- the other bulb will remain lighted and unaffected.