Basic Electronics — CSIR Net PYQ (Question 1)

A Basic Electronics previous-year question (PYQ) from Electronics (CSIR Net). Read the question, check the correct answer, then practise the full topic.

Question 1 of 4 · 3.5 marks

The $I-V$ characteristics of a device is
$I=I_s\left[exp\left(\frac{aV}{T}\right)-1\right],$ where $T$ is the temperature and $a$ and $I_S$ are constants independent of $T$ and $V$. Which one of the following plots is correct for a fixed applied voltage $V$?

1. 1
2. 2
3. 3
4. 4

Correct answer: Option 4

About this question

This Basic Electronics PYQ is part of the Electronics section of CSIR Net. Browse more Basic Electronics questions or join the PhysicsByAaryan live batch for full conceptual coverage.