In a PN-junction diode, if the junction current is zero,

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In a PN-junction diode, if the junction current is zero, this means that—

1. The potential barrier has disappeared
2. There are no carriers crossing the junction
3. The number of majority carriers crossing the junction equals the number of minority carriers crossing the junction
4. The number of holes diffusing from the P region equals the number of electrons diffusing from the N region

Correct Option: C

NA