Answer :

(i) Forward bias:



In the forward biased condition, the p side is connected to the positive terminal and the n side is connected to the negative terminal. So, holes flow from the p side to the negative terminal and electrons flow from the n side to the positive terminal, which are the majority carriers. This results in a large amount of current with small increase in voltage.


Curve obtained:



(ii) Reverse bias :



In the reverse biased condition, the p side is connected to the negative terminal and the n side is connected to the positive terminal. So, holes flow from the n side to the negative terminal and electrons flow from the p side to the positive terminal, which are the minority carriers. This results in a small amount of current with small increase in voltage until it reaches the breakdown voltage, at which there is a huge amount of current.


Curve obtained:



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