Question
For comparing the e.m.f.'s of two cells with a potentiometer, a standard cell is used to develop a potential gradient along the wires. Which of the following possibilities would make the experiment unsuccessful.
Answer: Option D
:
D
The emf of the standard cell must be greater than that of experimental cells, otherwise balance point is not obtained.
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:
D
The emf of the standard cell must be greater than that of experimental cells, otherwise balance point is not obtained.
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