If the forward voltage in a semiconductor diode is chaged form 0.5 V to 2 V, then the forward current changed by 1.5 mA. The forward resistance of diode will be-

If the forward voltage in a semiconductor diode is changed from 0.5V to 0.7 V, then the forward current changes by 1.0 mA. The forward resistance of diode junction will be

If the forward bias voltage a p-n junction diode is changed form 0.7 V to 2.2 V, the forward current changes by 1.5 mA, the forward resistance of diode is

If the forward bias voltage of a p-n junction diode is changed form 0.7 V to 2.2 V, the forward current changes by 1.5 mA , then the depletion layer is

When the forwward bias voltage of a diode is changed from 0.6 V to 0.7 V the current changes from 5 mA to 15 mA. Then its forward bias resistance is

When the forwward bias voltage of a diode is changed from 0.6 V to 0.7 V the current changes from 5 mA to 15 mA. Then its forward bias resistance is