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Question:

A moving coil galvanometer has resistance $50 \Omega$ and it indicates full deflection at $4 \mathrm{~mA}$ current. A voltmeter is made using this galvanometer and a $5 \mathrm{k} \Omega$ resistance. The maximum voltage, that can be measured using this voltmeter, will be close to:

  1. $40 \mathrm{~V}$

  2. $15 \mathrm{~V}$

  3. $20 \mathrm{~V}$

  4. $\quad 10 \mathrm{~V}$


Correct Option: 3

JEE Main Previous Year 1 Question of JEE Main from Physics Moving Charges and Magnetism chapter.
JEE Main Previous Year 9 April 2019 I

Solution:

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