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(A) In the given circuit,the $P$-terminal of the diode is connected to $1 \ V$ and the $N$-terminal is connected to $2 \ V$ through a $100 \ \Omega$ r

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(A) In the given circuit,the $P$-terminal of the diode is connected to $1 \ V$ and the $N$-terminal is connected to $2 \ V$ through a $100 \ \Omega$ resistor.Since the potential at the $N$-terminal $(2 \ V)$ is higher than the potential at the $P$-terminal $(1 \ V)$,the diode is in reverse bias.An ideal diode in reverse bias acts as an open circuit (infinite resistance).Therefore,no current flows through the circuit.Hence,the current $I = 0 \ mA$.

In the given circuit,the current flowing through the ideal $P-N$ junction diode is .......$mA$.

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