Question

it is necessary to earth metallic appliance.give reason​

Answer 1

Answer:

YES IT IS NECESSARY.

Explanation:

THIS IS BECAUSE IF THERE IS EXCESS FLOW OF CURRENT IN THE CIRCUIT, DUE TO SHORT CIRCUITING OR OVERLOADING, THE EXCESS CURRENT IS PASSED TO THE EARTH THROUGH THE EARTH WIRE. THIS PREVENTS A PERSON FROM SUFFERING SEVERE ELECTRIC SHOCKS.

Answer 2

Answer:

yes

Explanation:

The metallic body of electric appliances is connected to the earth wire so that any leakage of electric current is transferred to the ground. This prevents severe electric shock to the user. That is why earthing of the electrical appliances is necessary