Which of the following circuits is reverse-bi | vedclass

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(D) $PN$ junction diode is reverse-biased when the potential at the $P$-terminal is lower than the potential at the $N$-terminal.In option $A$: $V_P =

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(D) $PN$ junction diode is reverse-biased when the potential at the $P$-terminal is lower than the potential at the $N$-terminal.In option $A$: $V_P = +2 	ext{ V}$,$V_N = 0 	ext{ V}$. Since $V_P > V_N$,it is forward-biased.In option $B$: $V_P = 0 	ext{ V}$,$V_N = -5 	ext{ V}$. Since $V_P > V_N$,it is forward-biased.In option $C$: $V_P = +2 	ext{ V}$,$V_N = -10 	ext{ V}$. Since $V_P > V_N$,it is forward-biased.In option $D$: $V_P = +2 	ext{ V}$,$V_N = +4 	ext{ V}$. Since $V_P < V_N$,the diode is reverse-biased.

Which of the following circuits is reverse-biased?

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