Question

what is short circuit? state one factor/ condition that can lead to it. Name and a device in household that act as the safety measure for it.
state the principle of its working .​

Answer 1

it will always pass along the path of least resistance of the wires in a circuit is low campared to the resistance of components such as bulbs

if current can flow along a path without passing through the components this part of the circuit is called short circuit