OPAMP — CSIR Net PYQ (Question 2)

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

Question 2 of 20 · 5.0 marks

In the circuit given below, the thermistor has a resistance $3k\Omega$ at ${25}^{\circ }C$. Its resistance decreases by $150\Omega$ per ${}^{\circ }C$ upon heating. The output voltage of the circuit at ${30}^{\circ }C$ is

1. 1-3.75 V
2. 2-2.25 V
3. 325 V
4. 475 V

Correct answer: Option 3

About this question

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