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In a metre bridge, metal wire is connect...

In a metre bridge, metal wire is connected in the left gap, standard resistance is connected in the right gap and balance point is found. If the metal wire in the left gap is heated, the balance point 

A

shifts towards left

B

shifts towards right

C

does not shift

D

depends on thickness of metal wire

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - IA
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  2. In metre bridge experiment, the known and unknown resistances in the t...

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  3. In a metre bridge, metal wire is connected in the left gap, standard r...

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  4. Metal wire is connected in the left gap, semi conductor is connected i...

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  5. Metal wire is connected in the left gap, Germanium connected in the ri...

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  6. A series high resistance is preferable than shunt resistance in the ga...

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  7. The sensitivity of potentiometer wire can be increased by

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  8. A cell of emf 'E' and internal resistance r connected in the secondary...

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  9. Potentiometer is an ideal instrument, because

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  10. On increasing the resistance of the primary circuit of potentiometer, ...

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  11. If the value of potential gradient on potentiometer wire is decreased,...

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  12. A cell of negligible internal resistance is connected to a potentiomet...

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  13. For the working of potentiometer, the emf of cell in the primary circu...

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  14. The balancing lengths of potentiometer wire are l(1) and l(2) when two...

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  15. At the moment when the potentiometer is balanced

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  16. Temperature coefficient of resistance and resistivity of a potentiomet...

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  17. Sensitivity of potentiometer

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  18. The quantity that cannot be measured by a potentiometer is ..........

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  19. The potential gradients on the potentiometer wire are V(1) and V(2) wi...

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  20. If the current in the primary circuit is decreased, then balancing len...

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