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A voltmeter has resistance of $2000 Ω$ and it can measure upto 2V. If we want to increase its range to 10 V then the required resistance in series will be

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2000 Ω

4000 Ω

6000 Ω

8000 Ω

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detailed solution

Correct option is D

Here, n=102 =5∴ R=n−1G= 5−12000=8000 Ω

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A voltmeter has resistance of 2000 Ω and it can measure upto 2V. If we want to increase its range to 10 V then the required resistance in series will be

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Ready to Test Your Skills?

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A voltmeter has resistance of $2000 Ω$ and it can measure upto 2V. If we want to increase its range to 10 V then the required resistance in series will be