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In the given circuit, what is the value of current flowing through the forward biased diode?

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In the given circuit, what is the value of current flowing through the forward biased diode?

(a) 10 mA

(b) 9.3 mA

(c) 8.6 mA

(d) 0 mA

I got this question during an interview.

This interesting question is from Parallel and Series Configuration in section Diode Circuit of Analog Circuits

1 Answer

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Best answer
Right choice is (c) 8.6 mA

Easiest explanation: Here, current flowing through R2 = (10-0.7)/1k = 9.3 mA. Also the current through the parallel resistor=0.7 mA. Hence the current through the forward biased diode = (9.3-0.7) = 8.6 mA.

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