In the circuit shown below, cut-in voltage of diode is 0.7V. Forward bias resistance is 10Ω. The voltage V is?(a) 0.69V(b) 0.7V(c) 0.68V(d) 0.72VI have been asked this question during an online exam.This interesting question is from Piecewise Linear Model of Diode-2 topic in section Diode Circuit of Analog Circuits

In the circuit shown below, cut-in voltage of diode is 0.7V. Forward b

1.	In the circuit shown below, cut-in voltage of diode is 0.7V. Forward bias resistance is 10Ω. The voltage V is?(a) 0.69V(b) 0.7V(c) 0.68V(d) 0.72VI have been asked this question during an online exam.This interesting question is from Piecewise Linear Model of Diode-2 topic in section Diode Circuit of Analog Circuits
Answer» The correct ANSWER is (d) 0.72V The BEST explanation: SINCE diode is in forward bias we can REPLACE diode with voltage source of 0.7V and resistor of resistance 10Ω. Vout will be IRD+VD = 2mAx10 + 0.7 = 0.72V.

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