In a potentiometer experiment, when three cells A, B and C care connected in series the balancing length is found to be 740 cm. if A and B are connected in series balancing length is 540 cm. then the emf of are respectively (in volts) |
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a) |
1,1.2 and 1.5 |
b) |
1,2 and 3 |
c) |
1.5,2 and 3 |
d) |
1.5, 2.5 and 3.5 |
In a potentiometer experiment, when three cells A, B and C care connected in series the balancing length is found to be 740 cm. if A and B are connected in series balancing length is 540 cm. then the emf of are respectively (in volts) |
|||||||
a) |
1,1.2 and 1.5 |
b) |
1,2 and 3 |
c) |
1.5,2 and 3 |
d) |
1.5, 2.5 and 3.5 |