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(C) In the given circuit,two diodes are connected in parallel. One diode is forward-biased,and the other is reverse-biased.An ideal diode in forward b

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$10$

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(C) In the given circuit,two diodes are connected in parallel. One diode is forward-biased,and the other is reverse-biased.An ideal diode in forward bias has zero resistance,while a diode in reverse bias acts as an open circuit (infinite resistance).Therefore,the current flows only through the forward-biased diode.Since the forward resistance is given as zero,the total resistance in the circuit is simply the external resistor $R = 2 \, k\Omega$.The voltage source is $E = 20 \, V$.Using Ohm's law,the current $I$ is given by:$I = \frac{E}{R} = \frac{20 \, V}{2 	imes 10^3 \, \Omega} = 10 	imes 10^{-3} \, A = 10 \, mA$.

Assuming the diodes to be of silicon with forward resistance zero,the current $I$ in the following circuit is.......$mA$

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