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In the given figure, a diode D is connec...

In the given figure, a diode `D` is connected to an external resistance `R=100 Omega` and an emf of `3.5 V`. If the barrier potential developed across the diode is `0.5 V`, the current in the circuit will be :

A

35mA

B

30mA

C

40mA

D

20mA

Text Solution

Verified by Experts

The correct Answer is:
B
Effective voltage of circuit, `V=3.5-0.5=3.0V`
Current in circuit `I=V/R=3.0/100A=30 mA`
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