Question

how does the short circuit occur? What is its effect​

Answer 1

A common type of short circuit occurs when the positive and negative terminals of a battery are connected with a low-resistance conductor, like a wire. With a low resistance in the connection, a high current will flow, causing the delivery of a large amount of energy in a short period of time.

a

I hope this helps you

Answer 2

it is occurred due to excessive amount of current when passes through a circuit . and due to it the appliance if touched gives a shock.