Select the option that is true regarding the following two statements labelled Assertion (A) and Reason (R).
Assertion (A): Avalanche breakdown is reversible while Zener breakdown is not reversible.
Reason (R): Avalanche breakdown can be reversible if we put a series resistor in a diode.
1. A is true but R is false
2. Both A and R are true but R is not a correct explanation of A
3. A is false but R is true
4. Both A and R are true and R is the correct explanation of A