Two cells of emfs approximately 5V and 10V are to be accurately compared using a poteniometer of length 400 cm.

Two cells of emf's approximately 5V and 10V are to be accurately compared using a potentiometer of length 400 cm.

Two cells of emf's approximately 5V and 10 V are to be accurately compared using a potentiometer of legth 400 cm.

Two cells of emf 's approximately 5 V and 10V are to be accurately compared using a potentimeter of length 400cm .

Two cells of emf's approximately 5 V and 10 V are to be accurately compared using a potentiometer of length 400 cm .

How the emf of two cells are compared using potentiometer ?

Two cells of emf E_(1) and E_(2) are to be compared in a potentiometer (E_(1) gt E_(2)) . When the cells are used in series correctly , the balancing length obtained is 400 cm. When they are used in series but E_(2) is connected with reverse polarities, the balancing obtaiend is 200cm. Ratio of emf of cells is

Two cells of emf E_(1) and E_(2) are to be compared in a potentiometer (E_(1) gt E_(2)) . When the cells are used in series correctly , the balancing length obtained is 400 cm. When they are used in series but E_(2) is connected with reverse polarities, the balancing obtaiend is 200cm. Ratio of emf of cells is