Home Physics Semiconductor Electronics Mix The circuit shown in the figure contains two…
Physics Semiconductor Electronics Mix MCQ (Single Correct)

The circuit shown in the figure contains two diodes each with a forward resistance of and with infinite backward resistance. If the battery is 3V, the current through the 50 resistance (in ampere) is

A
Zero
B
C
D

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The correct answer is:
C

In the circuit the upper diode is reverse biased and the lower diode is forward biased. Thus there will be no current across upper diode junction. The effective circuit will be as shown in figure.

Total resistance of circuit

Current in circuit,

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