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Question

The current I through 10Ω resistor in the circuit with ideal diodes shown in the figure is

A
50 mA
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B
20 mA
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C
40 mA
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D
80 mA
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Solution

The correct option is D 80 mA
D1 is forward biased and D2 is reverse biased. Thus

i=225
=0.08=80mA

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