Q.

In PN-junction diode the reverse saturation current  is 10-5  A at  27°C. The  forward  current  for  a  voltage  of 0.2 volt is

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a

2037.6×10-3A

b

203.76×10-3A

c

20.376×10-3A

d

2.0376×103A

answer is C.

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Detailed Solution

The forward currenti=is(eeV/KT-1)=10-5e1.6×10-19×0.21.4×10-23×300-1 =10-52038.66-1=20.376×10-3A
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In PN-junction diode the reverse saturation current  is 10-5  A at  27°C. The  forward  current  for  a  voltage  of 0.2 volt is