Assertion (A): When a high reverse voltage is applied to a p-n junction the diode breaks down. Reason (R): High reverse voltage causes Avalanche effect.

Assertion (A): When a high reverse voltage is applied to a p-n junction the diode breaks down.

Reason (R): High reverse voltage causes Avalanche effect.

[A].	Both A and R are true and R is correct explanation of A
[B].	Both A and R are true but R is not a correct explanation of A
[C].	A is true but R is false
[D].	A is false but R is true

Answer: Option A

Explanation:

Avalanche breakdown occurs at high reverse voltage.