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Question 31643
JEE Physics · Medium

Current Electricity: Galvanometer to Voltmeter MCQ

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Galvanometer to VoltmeterMediumQuestion 31643

Question

To convert a galvanometer into a voltmeter for range V, a high resistance R is connected:
  1. A
    In parallel with it
  2. B
    In series with it
    Correct
  3. C
    As a shunt
  4. D
    Replacing the coil

Correct answer

In series with it

Explanation

Series resistance R = (V/I_g) − G. High series resistance makes it draw negligible current — ideal voltmeter has infinite resistance.

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