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A wire connected in the left gap of a me...

A wire connected in the left gap of a meter bridge balance a `10Omega` resistance in the right gap to a point, which divides the bridge wire in the ratio 3:2. If the length of the wire is 1m. The length of one ohm wire is

A

`5 Omega`

B

` 10Omega`

C

` 15 Omega`

D

` 20 Omega`

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-Electrical Instrument -EXERCISE -1
  1. Potentiometer is an ideal instrument because

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  2. A potentiometer works on the principle that

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

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

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  5. In potentiometer the potential gradient is –

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

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

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  8. The material of wire of potentiometer is

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

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

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

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

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

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  14. The voltage across the two equal resistances connected in series get b...

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  15. The quantity that cannot be measured by a potentiometer is….

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  16. Correct diagram for the determination of internal resistance of a prim...

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  17. A potentiometer has uniform potential gradient across it. Two cells c...

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  18. A wire connected in the left gap of a meter bridge balance a 10Omega r...

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  19. With two resistance R1 and R2 (>R1) in the two gaps of a metre bridge ...

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  20. In a simple meter bridge circuit, the gaps are bridged by cord P and Q...

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