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In the given circuit, what is the value of current through the silicon diode?(a) 9.3 mA(b) 9.7 mA(c) 10 mA(d) 0 mAThe question was asked in exam.This interesting question is from Parallel and Series Configuration topic in chapter Diode Circuit of Analog Circuits

Answer»

The correct option is (d) 0 mA

Best 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 silicon diode = 0.3 V and hence, the current ACCORDING to the approximate equivalent circuit model is equal to ZERO.


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