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In a balanced Wheatstone's network, the ...

In a balanced Wheatstone's network, the resistances in the arms Q and S are interchanged. As a result of this: 

A

galvanometer and the cell must be inter changed to balance

B

galvanometer shows zero deflection

C

network is not balanced

D

network is still balanced

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - IA
  1. A cell of emf E having an internal resistance r is connected to an ext...

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  2. Kirchhoff's law of junctions (first law), Kirchhoff's law of meshes (s...

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  3. In a balanced Wheatstone's network, the resistances in the arms Q and ...

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  4. If galvanometer and battery are interchanged in balanced Wheatstone br...

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  5. Wheatstone bridge can be used

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  6. In a Wheatstone's bridge three resistances P,Q,R connected in three ar...

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  7. Wheatstone bridge is most sensitive when the arms ratio is

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  8. In metre bridge experiment, the known and unknown resistances in the t...

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

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

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

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

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  13. The sensitivity of potentiometer wire can be increased by

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

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  15. Potentiometer is an ideal instrument, because

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

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

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

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

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

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