In the given circuit input voltage Vin is 3V and V2 is 1V. The resistance R1 is 1.5K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10Ω. The current I will be __________(a) 2.03mA(b) 0.23mA(c) 1.58mA(d) 1.33mAThe question was posed to me in a national level competition.This intriguing question comes from Piecewise Linear Model of Diode in division Diode Circuit of Analog Circuits

In the given circuit input voltage Vin is 3V and V2 is 1V. The resista

1.	In the given circuit input voltage Vin is 3V and V2 is 1V. The resistance R1 is 1.5K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10Ω. The current I will be __________(a) 2.03mA(b) 0.23mA(c) 1.58mA(d) 1.33mAThe question was posed to me in a national level competition.This intriguing question comes from Piecewise Linear Model of Diode in division Diode Circuit of Analog Circuits
Answer» Right choice is (d) 1.33mA Easy explanation: Since both VOLTAGE sources are reverse BIAS to the DIODE, diode in the circuit disappears and EQUIVALENT circuit becomes as follows So current I = V1-V2/R = 3-1/1.5k = 1.33mA.

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