In the given circuit, by what amount does the current across R change when the Germanium diode is reconnected in the reverse-bias mode?(a) 0 mA(b) 0.7 mA(c) 0.4 mA(d) 0.3 mAI got this question during an interview.This intriguing question originated from Parallel and Series Configuration in section Diode Circuit of Analog Circuits

In the given circuit, by what amount does the current across R change

1.	In the given circuit, by what amount does the current across R change when the Germanium diode is reconnected in the reverse-bias mode?(a) 0 mA(b) 0.7 mA(c) 0.4 mA(d) 0.3 mAI got this question during an interview.This intriguing question originated from Parallel and Series Configuration in section Diode Circuit of Analog Circuits
Answer» The correct choice is (c) 0.4 mA To explain I WOULD say: When the germanium diode is forward biased, current through R = 0.3 mA. When the Germanium diode is reverse biased, current through R = 0.7 mA. Hence, CHANGE in current = 0.4 mA.

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