Rankers Physics

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

Barrier potential of a p-n junction diode does not depend on: (2003)
Diode design
Temperature
Forward bias
Doping density

Short Solution (Best for NEET):

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:

The barrier potential of a p-n junction depends on the semiconductor material, temperature, and doping concentration. It is completely independent of the physical dimensions or macroscopic design of the diode.

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