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Wheatstone bridge is most sensitive when...

Wheatstone bridge is most sensitive when the arms ratio is 

A

equal to one

B

less than one

C

more than one

D

zero

Text Solution

Verified by Experts

The correct Answer is:
A
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - IA
  1. Wheatstone bridge can be used

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

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

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

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

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

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

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

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  9. The sensitivity of potentiometer wire can be increased by

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

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  11. Potentiometer is an ideal instrument, because

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

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

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

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

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

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  17. At the moment when the potentiometer is balanced

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

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  19. Sensitivity of potentiometer

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

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