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The following diagram represents a reverse bias characteristics of p-n junction. i) Draw a circuit diagram of a reverse biased p-n junction. ii) From the graph, some...

      

The following diagram represents a reverse bias characteristics of p-n junction.
fig7127520191254.png
i) Draw a circuit diagram of a reverse biased p-n junction.
ii) From the graph, some small amount of current flow in the circuit when voltage is zero. Explain.
iii) Current surge is noted at point P in the graph. Explain the cause of this surge.

  

Answers


Kavungya
fig7227520191256.png
ii) This is leakage current which flow due to minority charge carriers.
iii) At this point, a second breakdown (avalanche) takes place in which electrons moving due to applied voltage collide with some atoms causing ionisation hence excess electrons are produced which cause heavy conduction.
Kavungya answered the question on May 27, 2019 at 09:59


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