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Metal wire is connected in the left gap,...

Metal wire is connected in the left gap, Germanium connected in the right gap of metre bridge and balancing point is found at 50 cm. Metal wire is heated and Germanium is cooled so that variations of resistances in them are equal. Then the balancing point 

A

will not shift

B

shifts towards left

C

shifts towards right

D

depends on change of temperature

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - IA
  1. In a metre bridge, metal wire is connected in the left gap, standard r...

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

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

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

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  5. The sensitivity of potentiometer wire can be increased by

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

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  7. Potentiometer is an ideal instrument, because

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

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

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

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

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

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  13. At the moment when the potentiometer is balanced

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

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  15. Sensitivity of potentiometer

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

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

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

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  19. Statement - (A) : Thermistor can have only negative temperature coeffi...

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  20. Statement - (A): Resistivity of insulators is about 10^22 times the re...

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