Rankers Physics

P-N Junction Diode and its applications: Practice Problem & Solution

In a p-n junction diode, change in temperature due to heating (2018)
Does not affect resistance of p-n junction
Affects only forward resistance
Affects only reverse resistance
Affects the overall V-I characteristics of p-n junction

Solution Explained:

To solve this problem, we apply the core principles of P-N Junction Diode and its applications. Understanding the underlying formula is key to arriving at the correct answer below:

Heating a p-n junction generates more electron-hole pairs, which changes the intrinsic carrier concentration. This significantly affects both majority and minority carriers, altering the overall V-I characteristics.

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