Question

13. An ammeter can read current up to 5 A and it has 20 divisions between mark 0 and mark 2 on its scale. The least count of ammeter is:​

Answer 1

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Two given marks of the voltmeter = 0 and 2 V

Potential difference = 2-0 = 2V

No. of divisions between these two marks = 20

Least count = 2/20 = 0.1 volts