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In the given circuit input voltage V1 is -3V and V2 is -1V. The resistance R1 is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10Ω. The approximate current I is _________ (Use piecewise linear model of diode)

In the given circuit input voltage V1 is -3V and V2 is -1V. The resistance R1 is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10Ω. The approximate current I is _________ (Use piecewise linear model of diode) Correct Answer -2mA

Since both voltage sources are in forward bias to diode, the equivalent circuit will be as follows Since voltage across diode is 1V. current I = -3+1/1k = -2mA.

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