Question:
In the potentiometer circuit as shown potentiometer wire AB
Last updated: 6/11/2023
In the potentiometer circuit as shown potentiometer wire AB is of length 3 m Resistance of wire AB is 3 Q Null point shifts by 50 cm when switch Sis closed Internal resistance of cell of emf 2 V is Driver cell is ideal 10 V 2 V 3 0 22 020 0 5 Q 13 C 792 B 84