Question

2. When does a junction diode offer very high resistance? Why?​

Answer 1

Answer:

A pin junction diode is one of the simplest Semiconductor devices around and which has the characteristic of passing current in only one direction only how wear unlike a resistor a diode does not behave linearly with respect to the applied voltage as the diode where as it offers a very high resistance not defined whenever's baised and is called as a reverse resistance.

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Answer 2

Answer:

Increase in the Depletion Layer due to Reverse Bias

This condition represents a high resistance value to the PN junction and practically zero current flows through the junction diode with an increase in bias voltage.