4 With a uniform potentiometer wire AB of resistance 100 an

Last updated: 6/24/2023

4 With a uniform potentiometer wire AB of resistance 100 an electric cell of negligible internal resistance is connected A voltmeter of resistance 360 is connected between A and the mid point C of the wire If the reading of the voltmeter be 1 0 V determine the emf of the cell 2 28 V in what ratio