167
Question
In a voltmeter there are 20 divisions between the zero mark and 0.5 volt mark calculate the least count of voltmeter
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Solution
If a voltmeter has 20 divisions between 0 mark and 0.5 V mark, then its
Least count = Minimum measure of unit between two marks / Number of divisions
= 0.5/20
= 0.025 V or 25 mV
If a voltmeter has 20 divisions between 0 mark and 0.5 V mark, then its
Least count = Minimum measure of unit between two marks / Number of divisions
= 0.5/20
= 0.025 V or 25 mV
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