Question

(2) Appliances that have metal body are generally connected to the earthing wire

what is the reason to earth these wires ?

(a) To prevent excess of current

(b) To prevent the leakage of current

(c) To prevent extra current to appliance

(d) So prevent high resistance to the appliance​

Answer 1

Answer:

(c) To prevent extra current to appliance

Explanation:

It is used to provide a safe path to faulty or excessive current/voltage by directing it to the ground.

To protect electrical system from lightning strikes, by directing it through earthing system into ground.