Question

what is meant by overloading? what are its causes

Answer 1

When live wire comes in contact with neutral wire then it is known as overloading.

Its causes --

when at the same time many appliances are connected to the same socket.

Answer 2

Overloading is caused due to the overflow of electric current beyond the permissible value through the circuit..
It is caused due to switching many high rated appliances like motor, refrigerator, microwave, etc..
It can cause fire in the circuit....
Hope this helps you.....