Home Physics Semiconductor Electronics NEET Previous Year Question In a junction diode, change in temperature …
Physics Semiconductor Electronics NEET Previous Year Question MCQ (Single Correct)

In a junction diode, change in temperature due to heating [NEET 2018]

A
does not affect resistance of junction
B
affects only forward resistance
C
affects only reverse resistance
D
affects the overall characteristics of junction

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Text Solution

Verified by Experts
The correct answer is:
D

Due to increase in temperature because of heating, thermal collision between the electron and holes increases. Thus, net electron-hole pairs increase. This leads to increase in the current in diode and overall resistance of the diode changes.
This in turn changes both the forward biasing and the reverse biasing.
Thus, the overall characteristics of junction diode gets affected.

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