A moving coil galvanometer is converted into an ammeter reads upto `0.03 A` by connecting a
Channel: Doubtnut
Date: 2020-01-19

A moving coil galvanometer is converted into an ammeter reads upto `0.03 A` by connecting a shunt of resistance `4r` across it and ammeter reads up `0.06 A`, when a shunt of resistance `r` is used. What is the maximum current which can be sent through this galvanometer if no shunt is used ?