a galvanometer of resistance 50 ohm is connected to a battery of 3 V along with a resistance of 2950 ohm 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

Q. A galvanometer of resistance $50\Omega$ is connected to a battery of $3V$ along with a resistance of $2950\Omega$ in series shown, full-scale deflection of $30$ divisions. The additional series resistance required to reduce the deflection to $20$ divisions is

Q. The galvanometer resistance is 30 $\Omega$ and it is connected to 2 V battery along with a resistance 2000 $\Omega$ in series. A full scale deflection of 25 divisions is obtained. In order to reduce this deflection to 20 divisions, the resistance in series should be

Q. A galvanometer of resistance $25\Omega$ is connected to a battery of $2V$ along with a resistance in series. When the value of this resistance is $3000\Omega$ a full scale deflection of $30$ units is obtained in the galvanometer. In order to reduce this deflection to $20$ units, the resistance in series will be:

Q. A galvanometer of resistance $50\Omega$ is connected to a battery of $8V$ along with a resistance of $3950\Omega$ in series. A full scale deflection of $30$ div is obtained in the galvanometer. In division, the resistance in series should be ____ $\Omega$.