Question

Heyyy!!!
Plzz help me!!

Answer 1

Answer:

(i) The bulb will glow when avni will replace the switch with pencil lead and iron rod.

(ii) This is because electricity only passes through conducting materials such as metals etc. and hence the circuit becomes complete and the bulb starts glowing.

(iii) when electricity can freely pass through a circuit, it is said to be closed.

Plz mark me brainliest.....