CUET · PHYSICS · PYQ PAPER 2025
The experimental circuit arrangements for studying V-I characteristics of a p-n junction diode are given below:

Identify the circuit for forward bias and for reverse bias.
- A Circuit (i) forward bias circuit (ii) reverse bias
- B Circuit (i) reverse bias circuit (ii) forward bias
- C Circuit (i) forward bias circuit (ii) forward bias
- D Circuit (i) reverse bias circuit (ii) reverse bias
Answer & Solution
Correct Answer
(B) Circuit (i) reverse bias circuit (ii) forward bias
Step-by-step Solution
Detailed explanation
Circuit (i) is Reverse Bias: The p-side is connected to the negative terminal, and the \(n\)-side to the positive terminal; the use of a microammeter \((\mu A )\) confirms the detection of a very small leakage current. Circuit (ii) is Forward Bias: The p-side is connected to the…
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