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In the given figure, a diod D is connect...

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

A

35 mA

B

30 mA

C

40 mA

D

20 mA

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