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The potential gradient of the potentiome...

The potential gradient of the potentiometer wire depends on

A

only on the current that flows

B

only the resistance per unit length of the wire

C

both the above mentioned

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-Electrical Instrument -EXERCISE -1
  1. The specific resistance per unit area of cross section of a wire is eq...

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  2. If the length of the potentiometer wire is doubled, the sensitivity fo...

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  3. The potential gradient of the potentiometer wire depends on

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  4. The potentiometer wire is replaced by another wire whose length thickn...

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  5. If the current in a potentiometer increases, the position of the null ...

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  6. The length of a potentiometer wire is 10m and a potential difference o...

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  7. As is the cross sectional area and rho is the specific resistance of a...

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  8. Potentiometer is an ideal instrument because

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  9. A potentiometer works on the principle that

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  10. If the length of potentiometer wire is increased, then the accuracy in...

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  11. In an ammeter calibration experiment, the potentiometer is used to mea...

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  12. In potentiometer the potential gradient is –

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  13. If the potentiometer wire having resistance rho ohm/ m and I amp. curr...

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  14. Discuss the principle of potentiometer and explain the determination o...

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  15. The material of wire of potentiometer is

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  16. If the current in the primary circuit of a potentiometer wire of speci...

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  17. The p.d. between A and B is balanced at 2.036 m length of the potentio...

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  18. In the following figure, the p.d. between the points M and N is balanc...

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  19. In the foregoing question, the balancing length between the p.d. betwe...

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  20. In a potentiometer of one meter length , an unknown emf voltage source...

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