Question

Least count of the ammeter
=
... ampere
Least count of the voltmeter
.... Volt
.... ampere
.... ampere
Range of the ammeter =
Zero error of the ammeter
Range of the voltmeter =
Zero error of the voltmeter
... volt
volt​

Answer 1

The answer is (c) 270 mA. Least count of the ammeter = (100 − 0)mA/20 = 5 mA.