Question

Galvanometer is converted into voltmeter to increase its range by a factor of 40 the voltmeter resistance is 2000 volt the resistance of the Galvanometer is what​

Answer 1

Answer:

Explanation:

2000 ohm hoga questions

Me voltnahi

Answer 2

The resistance of the galvanometer is 50 Ω.

Explanation:

Given that,

Voltmeter = 2000 V

Range factor = 40

Let X is the series resistance and R is galvanometer resistance

Then, The resistance of voltmeter

$V=R+X$

Put the value into the formula

$2000=R+X$...(I)

According to information of question

$\dfrac{R}{R+X}=\dfrac{1}{40}$....(II)

We need to calculate the resistance of the galvanometer

Put the value of (R+X) in equation (II)

$\dfrac{R}{2000}=\dfrac{1}{40}$

$R=50\ \Omega$

Hence, The resistance of the galvanometer is 50 Ω.

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Topic : Resistance

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