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In a junction diode I is current when applied forward bias voltage is V at a temperature T on Kelvin scale. Then

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In a junction diode I is current when applied forward bias voltage is V at a temperature T on Kelvin scale. Then

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Best answer

Correct option: (3)

Explanation: 

The current I; in general; in a junction diode is

Under reverse bias conditions for high value of V; exp [eV/kT] >>1;  because V is high and a negative number. Therefore

I = - I0 

I0 is magnitude of reverse saturation current.

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