Home Physics Current Electricity JEE Main 2023 For designing a voltmeter of range 50 V and …
Physics Current Electricity JEE Main 2023 MCQ (Single Correct)

For designing a voltmeter of range 50 V and an ammeter of range 10 mA using a galvanometer which has a coil of resistance 54 showing a full scale deflection for 1 mA as in figure.

A
for voltmeter and and
B
for ammeter
C
for ammeter and (E) and
D
for voltmeter (E) for voltmeter Choose the correct answer from the options given below:

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Text Solution

Verified by Experts
The correct answer is:
A

The resistance is given by

For ammeter,

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