In the above circuit, find the current if the forward voltage drop for the diode is 12V.
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a
3.4 mA
b
2 mA
c
2.5 mA
d
3 mA
answer is A.
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Detailed Solution
Given that,VD=0.5 volt ,V=8 volt R=2.2kΩin forward biase diode behave like on state and in reverse biase diode behave like off state.i=8−0.52.2=7.52.2=3.4A