In the given circuit, what is the value of current through R?(a) 0.7 mA(b) 0.3 mA(c) 1 mA(d) 10 mAThe question was posed to me during an internship interview.I want to ask this question from Parallel and Series Configuration in portion Diode Circuit of Analog Circuits

In the given circuit, what is the value of current through R?(a) 0.7 m

1.	In the given circuit, what is the value of current through R?(a) 0.7 mA(b) 0.3 mA(c) 1 mA(d) 10 mAThe question was posed to me during an internship interview.I want to ask this question from Parallel and Series Configuration in portion Diode Circuit of Analog Circuits
Answer» The CORRECT ANSWER is (b) 0.3 mA For explanation: The source VOLTAGE initially increases from 0-10 V. As the source voltage increases, the voltage across the DIODES also increases. When the voltage across the diodes reaches a value of 0.3 V, the Germanium diode starts conducting, whereas the silicon diode is still in the off state. Hence, the voltage across R = 0.3 V. Hence, current = 0.3 mA.

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