Forward bias characteristics of a p -n junction diode is used in which of the following devices ?

If a p-n junction diode is in reversed bias

The forward bias characteristic of junction diode rises linearly after the potential barrier voltage is:

When a forward bias is applied to a p-n junction, it

When a forward bias is applied to a p-n junction, it

When a forward bias is applied to a p-n junction, it

The i-V characteristic of a p-n junction diode is shown in figure.Find the approximate dynamic resistance of the p-n junction when (a) a forward bias of 1 volt is applied ,(b) a forward bias of 2 volt is applied is applied .