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In an exercise to increase current sensi...

In an exercise to increase current sensitivity by 25% , its resistane is also increased by 50%. How will the voltage sensitivity of the galvanometer be affected?

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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?

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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.

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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?

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MODERN PUBLICATION-FORCE ON A CURRENT-EXERCISE
  1. A moving coil meter has the followig particulars. The number of turns ...

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  2. To increase the current sensitivity of a moving coil galvanometer by 5...

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  3. In an exercise to increase current sensitivity by 25% , its resistane ...

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  4. A galvanometer of resistance 15 Omega gives full scale difflection for...

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  5. A resistance of 900 ohm is connected in series with a galvanometer of ...

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  6. How will you convert a 1.0 mA full scale deflection meter of resistanc...

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  7. Resistance of a galvanometer is 25 ohm it can carry a current of 0.5 m...

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  8. It is intended to measure a maximum urrent of 25A with an ammeter of r...

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  9. A galanometer has a resistance of 10 ohm. It gives maximum deflection ...

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  10. The coil of a galvanometer has a resistance 100 ohm . It gives full sc...

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  11. A galvanometer of resistance 80 ohm gives full scale deflection for a ...

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  12. How will you convert a 1.0 mA full scale deflection meter of resistanc...

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  13. A galvanometer with a coil of resistance 12.0 ohm shows full scale def...

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  14. A galvanometer with a coil of resistance 12.0 ohm shows full scale def...

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  15. A voltemeter reads up to 3 V. It resistance is 200 ohm. It is to be us...

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  16. A battery of e.m.f. 3 volt and internal resistance r is conneted inser...

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  17. A battery of emf 2 volts and internal resistance 0.1 ohm is being char...

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  18. Two resistane coils of 100 ohm and 200 ohm respectively are connected ...

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  19. A battery of e.m.f 12 V supplies a current through a oil of resistance...

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  20. A galvanometer coils is 2 cm square and contains 100 turns. Its period...

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