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1. |
In the circuit shown below voltage Vin is -3V and VB is -1V. The resistor R1 and R2 are 1K. Assume both diodes are identical. Forward bias resistance is 10Ω. Cut-in voltage of diode is 0.7V. The voltage Vout is __________ |
A. | -2V |
B. | -3V |
C. | -1V |
D. | -.0.7V |
Answer» C. -1V | |