Question

Please solve this
...

Answer 1

a] Least count = Reading / No of divisions

Least count = 1.5/ 10

        = 0.15V

b] Reading shown by the voltmeter = 1.5 + 2 * 0.15

                          = 1.8 V

c] V = 1.8V

R = 20 ohm

i = V/R

= 1.8/20

= 0.09Amperes