In a semiconductor diode,the $P$-side is earthed and the $N$-side is put at a potential of $-2\,V$. The diode shall

In a $P-N$ junction,which of the following statements is correct regarding the potential?

The $\text{I-V}$ characteristic of a $\text{P-N}$ junction in forward bias is shown. The approximate forward resistance of the junction is $-$ (in $\Omega$)

Which diode is in forward bias?

Two identical $P-N$ junctions are connected in series with a battery in three ways as shown in the figure. In which two circuits will the potential difference across the $P-N$ junctions be equal?

With forward bias mode,the $p-n$ junction diode