What phenomenon occurs during lightning?
- AElectric charging
- BElectrical discharge
- CAccumulation of electric charge
- DNone of the above
Show answer and explanation
Correct answer: (b) Electrical discharge
Explanation
Lightning is an electrical discharge. Charges build up in clouds, and when the charge becomes large enough, a huge spark jumps between clouds or from a cloud to the ground.
The discharge heats the air so fast that it expands with the sound of thunder.