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Question

Find the current through 50Ω resistor :
93193.jpg

A
0.01 A
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B
zero
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C
0.02 A
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D
0.03 A
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Solution

The correct option is B 0.03 A
In the above question,A is in forward bias while B is in reverse bias.
The resistance of diode is now in series with 50Ωand100Ω resistors.(see figure)
The total resistance is hence, Req=50+50+100=200Ω (Series connection)
The current hence is I=6200=0.03A
87194_93194_ans.jpg

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