A tangent galvanometer propertly adjusted gives a deflection of `30^(@)` when a certain
Channel: Doubtnut
Date: 2020-02-17

A tangent galvanometer propertly adjusted gives a deflection of `30^(@)` when a certain current is passed through it. When the current is changed, then it gives a deflection of `45^(@)`. The ratio of the currents in the two cases is