A galvanometer having 20 division scale and `50Omega` resistance is connected in series to a cell of e.m.f. `1*5V` through a resistance of `100Omega`, shows full scale deflection. The figure of merit of the galvanometer in microampere/division is

When a galvanometer having 30 divisions scale and 100Omega resistance is connected in series with the battery of e.m.f. 3 volt through a resistance of 200Omega , it shows full scale deflection. Find the figure of merit of the galvanometer in microampere.

A galvanometer of resistance 50Omega is connected to a battery of 3V along with a resistance of 2950Omega in series. A full scale deflection of 30 division is obtained in the galvanometer. In order to reduce this deflection to 20 division, the resistance in series should be:-

A galvanometer of resistance 50 Omega is connected to a battery of 3V along with a resistance of 2950 Omega in series. A full scale deflection of 30 divisions is obtained in the galvanometer. In order to reduce this deflection to 20 divisions, the resistance in series should be:

A galvanometer of resistance 50Omega is connected to a b attery of 3V alongwith a resistance of 2950Omega in series. A full scale deflection of 30 division is obtained in the galvanometer in order to reduce this deflection to 20 division. The resistance in sereis. should be:-

A galvanometer of resistance 50Omega is connected to a b attery of 3V alongwith a resistance of 2950Omega in series. A full scale deflection of 30 division is obtained in the galvanometer in order to reduce this deflection to 20 division. The resistance in sereis. should be:-