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If the current sensitivity of a moving coil galvanometer is increased by 20% and its resistance also increased by 50% then how will the voltage sensitivity of the galvanometer be affected?

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25% decrease
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If the current current sensitivity of a moving coil galvanometer is increased by 20% , its resistance also increases by 1*5 times. How will the voltage sensitivity of the galvanometer be affected?

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CBSE COMPLEMENTARY MATERIAL-UNIT–III & UNIT–IV MAGNETIC EFFECTS OF CURRENT AND MAGNETISM & E.M.I. AND ALTERNATING CURRENT-(NUMERICALS)
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  2. An electron of kinetic energy 10 keV moves perpendicular to the direct...

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  3. If the current sensitivity of a moving coil galvanometer is increased ...

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  4. A uniform wire is bent into one turn circular loop and same wire is ag...

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  5. A horizontal electrical power line carries a current of 90A from east ...

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  6. A galvanometer with a coil of resistance 90Omega shows full scale defl...

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  7. Two identical circular loops P and Q carrying equal currents are place...

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  8. A cyclotron’s oscillator frequency is 10 MHz. What should be the opera...

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  9. The coil of a galvanometer is 0.02 × 0.08 m2. It consists of 200 turns...

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  10. A voltmeter reads 5V at full scale deflection and is graded according ...

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  11. A short bar magnet placed with its axis at 30° with an external field ...

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  12. What is the magnitude of the equatorial and axial fields due to a bar ...

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  13. What is the magnitude of magnetic force per unit length on a wire carr...

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  14. Two moving coil metres M(1) and M(2) have the following particular R(1...

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  15. Figure shows a small magnetised needle P placed at a point O. The arro...

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  16. Figure shows a small magnetised needle P placed at a point O. The arro...

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  17. Figure shows a small magnetised needle P placed at a point O. The arro...

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  18. In the circuit, the current is to be measured. What is the value of th...

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  19. In the circuit shown in figure, the current is to measured. What is th...

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