7 (a) What is least count of voltmeter? (b) In a voltmeter there are 20 divisions between the ‘0’ mark and 0.5 V mark. Calculate its least count.
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7 (a) What is least count of voltmeter?
(b) In a voltmeter there are 20 divisions between the ‘0’ mark and 0.5 V mark. Calculate its least count.
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