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The relation between voltage sensitivity...

The relation between voltage sensitivity `(sigma_(y))` and current sensitivity `(sigma_(i))`of a moving coil galvanometer is:

A

`S_(v)=GS_(i)`

B

`S_(i)=GS_(v)`

C

`S_(V)S_(i)=G`

D

`S_(V)S_(i)G=1`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-IA
  1. A circular coil of n turns and area of crosssection A , carrying a cur...

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  2. A moving coil type of galvanometer is based upon the principle that a ...

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  3. The relation between voltage sensitivity (sigma(y)) and current sensit...

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  4. The best method to increase the sensitivity of a moving coil galvanome...

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  5. A conducting wire of given length is used to prepare the 'coil' of a m...

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  6. In a moving coil galvanometer a radial magnetic field is obtained with...

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  7. When a current is passed in moving coil galvanometer, the coil gets de...

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  8. The current that must flow through the coil of a galvanometre so as to...

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  9. To double the torque acting on a coil of n-turns, when placed in a mag...

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  10. A tangent galvanometer shows no deflection when a current is passed th...

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  11. A) Tangent galvanometer is a moving magnet type galvanometer B) Tang...

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  12. The coil of a tangent galvanométer is put in the magnetic meridian.

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  13. The plane of the coil of tangent galvanometer is kept parallel to magn...

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  14. The magnetic needle of a tangent galvanometer is defiected at an angle...

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  15. If 'r' is the radius and 'n' is number of turns of coil of a T.G, then...

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  16. A rectangular loop carrying a current i(2) situated near a long straig...

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  17. When a current loop is placed in a uniform magnetic field i) barF(R)...

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  18. A flat , rectangular coil, carrying current, is placed beside a long s...

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  19. A moving coil galvanometer can be converted into a voltmeter by connec...

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  20. The correct statement among the following is:

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