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In a voltmeter there are 20 divisions between the 0 mark and 0.5 V mark. Calculate the least count of the voltmeter.

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asked Mar 17, 2018 by paayal (26,720 points) ● 4 ● 6 ● 11

In a voltmeter there are 20 divisions between the 0 mark and 0.5 V mark. Calculate the least count of the voltmeter.

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answered Mar 17, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7

Range of voltmeter, VR = 0.5 V 

Number of divisions in voltmeter, VN = 20 

Least count of voltmeter = VR /  V N  = 0.5 /  20 = 0.025 V

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