In switching a junction diode from forward to reverse voltage

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In switching a junction diode from forward to reverse voltage bias, the recovery of the current to the saturation value is delayed. During this time—

1. The current is in the same direction as the forward current
2. The excess minority carriers have to drop to zero
3. The excess minority carriers have disappeared and the minority carrier density reaches zero value at the junction
4. The voltage across the diode is in the direction of forward bias

Correct Option: C

NA