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In the given circuit, what is the value of the current through the series resistor R2?

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In the given circuit, what is the value of the current through the series resistor R2?

(a) 9.3 mA

(b) 10 mA

(c) 0 mA

(d) 8.6 mA

The question was asked during an interview.

I need to ask this question from Parallel and Series Configuration topic in section Diode Circuit of Analog Circuits

1 Answer

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The correct answer is (a) 9.3 mA

The explanation: The voltage across the diodes is 0.7 V as they are forward biased. Hence, the current through the series resistor = (10-0.7)/1k = 9.3 mA.

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