A galvanometer with its coil resistance `25 Omega` requires a current of 1 mA
Channel: Doubtnut
Date: 2020-01-03

A galvanometer with its coil resistance `25 Omega` requires a current of 1 mA for its full deflection. In order to construct an ammeter to read up to a current of 2A, the approximate value of the shunt resistance should be :