| ASSERTION: The e.m.f. of the driver cell in the Potentiometer experiment should be greater than the e.m.f. of the cell to be determined. |
| REASON: The fall of potential across the potentiometer wire should not be less than the e.m.f of the cell to be determined. |
A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true and reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If both assertion and reason are false.
E) If assertion is false but reason is true.
Correct Answer: A
Solution :
If either the e.m.f. of the driver cell or potential difference across the whole potentiometer wire is lesser than the e.m.f. of the experimental cell, then balance point will not obtained.
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