In the given circuits,which diode is in forwa | vedclass

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(D) diode is in forward bias if the potential at the $p$-side $(V_p)$ is higher than the potential at the $n$-side $(V_n)$.For $D_1$: $V_p = -2 \ V$,$

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$D_4$

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(D) diode is in forward bias if the potential at the $p$-side $(V_p)$ is higher than the potential at the $n$-side $(V_n)$.For $D_1$: $V_p = -2 \ V$,$V_n = +2 \ V$. Since $V_p For $D_2$: $V_p = -4 \ V$,$V_n = -3 \ V$. Since $V_p For $D_3$: $V_p = +3 \ V$,$V_n = +5 \ V$. Since $V_p For $D_4$: $V_p = 0 \ V$,$V_n = -2 \ V$. Since $V_p > V_n$,it is forward biased.Therefore,diode $D_4$ is in forward bias.

In the given circuits,which diode is in forward bias?

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