Question

An ammeter has a range of (0-2) amper and there are 20 divisions on its scale. What is its least count.

• A. 10Amp
• B. 27Amp
• C. 0.1A
• D. 0.01A

Answer 1

The correct option is C 0.1A

Range of ammeter $I=2$ A

Number of divisions $n=20$

Least count of ammeter $L.C=\frac{I}{n}=\frac{2}{20}=0.1$ A per division