4 R To find the resistance of a galvanometer by the half

Last updated: 6/4/2023

4 R To find the resistance of a galvanometer by the half deflection method the following circuit is used with resistances R 9970 2 R 30 2 and R3 0 The deflection in the galvanometer is 107 2 the deflection changed to d 2 The d With R3 galvanometer resistance is approximately 1 107 S2 3 107 20 2 1372 4 77 S HH 20 R G R3 2