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In the circuit shown below voltage Vin is 3V and VB1 is -1V and VB2 is 1V. Assume both diodes are identical. Cut-in voltage of diode is 0.7V. Forward bias resistance is 10Ω. The voltage Vout is __________

In the circuit shown below voltage Vin is 3V and VB1 is -1V and VB2 is 1V. Assume both diodes are identical. Cut-in voltage of diode is 0.7V. Forward bias resistance is 10Ω. The voltage Vout is __________ Correct Answer 0.6V

In this condition both diodes are forward biased This circuit can be further reduced to by assuming VB as 1V By network analysis using kirchoff’s voltage rule current through RD2 will be 0.09A. The voltage in Vout will be VB+VD-0.09×10 = 0.6V.

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