Question

17. A galvanometer of resistance 30 ohm is connected to 2V battery along with a resistance of 2000 ohm in series .A full scale deflection of 25 division is obtained .In order to reduce the division to 20 the resistance in series should be 1.2470 ohm 2.2345ohm 3. 2370ohm 4.2570ohm

Answer 1