Question

23. When does an electric short circuit occur?​

Answer 1

short circuit exists whenever the resistance of a circuit or the resistance of a part of a circuit drops in value to almost zero ohms. A short circuit often occurs as a result of improper wiring or broken insulation

Answer 2

Answer:

Electric short circuit occurs if the insulation of the wires used in circuit is damaged, due to which live wire and neutral wire comes in direct contact. This results in increase of current in the circuit.