Circuit for the measurement of resistance is shown in the

Last updated: 6/7/2023

Circuit for the measurement of resistance is shown in the figure The is first connected at point Aand potentiometer galvanometer zero deflection is observed at length PJ 10cm In the second case it is connected at a point C and zero deflection is observed at alength 30cm from P the unknown resistance X is P RA ww ww X C