An ammeter has a range of 0 - 3 ampere and these are 30 divisions on its scale. Calculate the least count of the ammeter.

Range of ammeter AR = 3 ampere.

The number of divisions in ammeter is 30.

Therefore, the least count of ammeter = Range/ total division.

= 3/30 = 0.1 A.

Thus, the least count of the ammeter is 0.1 Ampere.

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