A forward biased diode is

The current flowing through forward biased diode is 20 mA. The emf of the cell is 3V and the knee voltage is 0.7V. Find the value of wattage R and power consumed across the diode.

The forward biased diode is

Out of following the forward biased diode is:

Out of following which one is a forward biased diode

Out of following which one is a forward biased diode

The forward biased diode connection is

The forward biased diode connection is