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How can current sensitivity of moving co...

How can current sensitivity of moving coil galvanometer be increased ?

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If the current sensitivity of a moving coil galvanometer is increased by 20%, it resistance also increases by 1.5 times. How will the voltage sensitivity of the galvanometer be affected?

Give two factors by which the current sensitivity of a moving coil galvanometer can be increased.

The current sensitivity of a moving coil galvanometer increases by 20% , when its resistance is increased by a factor of two. Calculate by what factor, the voltage sensitivity changes.

Give two factors by which voltage sensitivity of a moving coil galvanometer can be increased?

What do you mean by current sensitivity of a moving coil galvanometer and how it can be increased ?

What do you mean by current sensitivity of a moving coil galvanometer? On what factors does it depend?

To increase the current sensitivity of a moving coil galvanometer by 50%, its resistance is increased so that the new resistance becomes twice its initial resistance. By what factor does its voltage sensitivity change?

PUNJAB BOARD PREVIOUS YEAR PAPERS-FORCE ON A CURRENT-Exercise
  1. How can a galavanometer be converted into an ammeter?

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  2. Explain with the help of a labelled diagram, the principle, constructi...

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  3. How can current sensitivity of moving coil galvanometer be increased ?

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  4. Explain with the help of a labelled diagram, the principle, constructi...

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  5. Explain how a Galvanometer can be converted into voltmeter

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  6. How can a galavanometer be converted into an ammeter?

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  7. Explain with the help of a labelled diagram, the principle, constructi...

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  8. Explain with the help of a labelled diagram, the principle, constructi...

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  9. Explain how a Galvanometer can be converted into voltmeter

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  10. How can a galavanometer be converted into an ammeter?

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  11. Give two differences between voltmeter and ammeter.

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  12. Explain with the help of a labelled diagram, the principle, constructi...

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  13. Explain how a Galvanometer can be converted into voltmeter

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  14. How can a galavanometer be converted into an ammeter?

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  15. Explain with the help of a labelled diagram, the principle, constructi...

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  16. Derive an expression for force experienced by a current carrying strai...

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  17. What is radial magnetic field ?

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  18. Explain with the help of a labelled diagram, the principle, constructi...

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  19. How will you convert galvanometer into voltmeter ?

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  20. How will you convert galvanometer into ammeter ?

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