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Analog Electronics

Q1: A forward voltage of 9 V is applied to a diode in series with a 1 kΩ load resistor. The voltage across load resistor is zero. It indicates that

A diode is short circuited

B diode is open circuited

C resistor is open circuited

D diode is either short circuited or open circuited

ANS:B - diode is open circuited

Since load voltage is zero, the current is zero and diode is open-circuited. If load was open-circuited, load voltage would be about 9 V.



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