Difference in balance length for two cells in potentiometre

Last updated: 6/10/2023

Difference in balance length for two cells in potentiometre wire is 20 cm and difference in their emf s is 0 6 volt If length of wire is 5 m then potential gradient and strength of P M will be A B 2 V m 20V 3 V m 15V 2 V m 15V 30 V m 15V Correct Answer