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In comparing e.m.f. of two cells by a po...

In comparing e.m.f. of two cells by a potentiometer balance point is obtained on `5^(th)` wire, the current flowing through the wire is taken

A

from both cells

B

from one cell

C

from the main battery of circuit

D

none of these

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The correct Answer is:
C
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NIKITA PUBLICATION-CURRENT ELECTRICITY-Multiple Choice Questions
  1. The internal resistance of the cell can be determined by,

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  2. The unit of potential gradient is

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  3. In comparing e.m.f. of two cells by a potentiometer balance point is o...

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  4. The sensitivity of the potentiometer can be increased by

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  5. Which of the following can cause the null point of a potentiometer to ...

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  6. When null point is obtained in the potentiometer the current is draw...

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  7. Potentiometer was first invented by

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  8. In the construction of potentiometer, the length of wire used is

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  9. A potentiometer is more sensitive when

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  10. Instead of voltmeter, potentiometer is always used to measure e.m.f. ...

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  11. The potentiometer wire of resistance R is connected in series with a c...

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  12. Potentiometer is used to

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  13. The internal resistance of a cell by potentiometer is given by

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  14. In potentiometer experiment to determine internal resistance of the ce...

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  15. The current, in a potentiometer wire of 100 cm length, is adjusted to ...

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  16. In given figure, the potentiometer wire AB has a resistance of 5 Omeg...

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  17. The wire of potentiometer has resistance 4 Omega and length 1m. It i...

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  18. A potentiometer has a uniform wire of length 10m and resistance 5 Ome...

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  19. A voltmeter has a resistance of 50 Omega is connected across a cell ...

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  20. With a potentiometer null point were obtained at 140 cm and 180 cm w...

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