Question

in voltmeter there are 20 divisions between 0 marks and 0.5v mark. calculate the least count of the voltmeter

Answer 1

Least count of a voltmeter is the ratio of its range to the number of divisions on it.

Answer 2

Range of voltmeter = 0.5

No. of divisions in voltmeter = 20

Therefore, Least count of voltmeter = Range / Total Division

= 0.5 / 20

= 0.025 V

Therefore, the least count of the voltmeter is 0.025 V.