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A potentiometer is more sensitive when...

A potentiometer is more sensitive when

A

its wire is of small length

B

its wire is of large length

C

applied P.D. is large

D

potential gradient along the wire is very low

Text Solution

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The correct Answer is:
D
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NIKITA PUBLICATION-CURRENT ELECTRICITY-Multiple Choice Questions
  1. Potentiometer was first invented by

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

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  3. A potentiometer is more sensitive when

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

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

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  6. Potentiometer is used to

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

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

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

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

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

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

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

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

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  15. In a potentiometer experiment it is found that no current passes throu...

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  16. The potential gradient along the length of a uniform wire is 5 V/m. Th...

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  17. In figure AB is a potentiometer wire of length 10 m and resistance 1...

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  18. In figure, AB is a potentiometer wire, length 10 m and resistance 2 Om...

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  19. A plantinum wire has resistance of 10 Omega at 0^(@)C and 20 Omega at ...

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  20. In the adjacent circuit the ammeter reads 5.0 A and voltmeter reads 20...

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