Multiple choice

A torch bulb which normally works on 4.5 V, is connected to a domestic supply of 220 V. What will happen to the torch bulb?

  1. It will glow very brightly.

  2. It will glow very dimly.

  3. It will not glow.

  4. It will get fused.

  5. -

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct answer. When a high voltage electricity is given across the bulb, its wire melts due to high voltage and the bulb fuses.