Question

what is earthing? why it is necessary in household circuits​

Answer 1

Answer:

Earthing is used to protect you from an electric shock. It does this by providing a path (a protective conductor) for a fault current to flow to earth. It also causes the protective device (either a circuit-breaker or fuse) to switch off the electric current to the circuit that has the fault.

Explanation:

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Answer 2

Answer:

The process of transferring the charge from an object to the ground is known as earthing.

it is necessary because of the following way☟

• it keeps people saved by preventing electrical shocks.
• it prevents damage to the electrical and appliances.