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When a current is passed in moving coil ...

When a current is passed in moving coil galvanometer, the coil gets deflected because,

A

current in the coil produces an electric field

B

a couple acts on coil

C

the current deflects any thing

D

current in the coil produces magnetic field

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

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

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

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  4. The current that must flow through a galvanometer to have a deflection...

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

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

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

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

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  9. A) In Tangent galvanometer the circular frame is rotated until the pla...

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  10. In case of Tangent galvanometer A) The galvanometer reduction factor...

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

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  12. A rectangular loop carrying a current i(1), is situated near a long st...

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

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

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  15. A moving coil galvanometer can be converted into

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  16. The correct statement among the following is:

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  17. Statement A : The resistance of ideal ammeter is zero Statement B : ...

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  18. Statement A: Ammeter is a low resistance galvanometer Statement B: V...

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  19. To increase the range of a voltmeter we need to connect a suitable:

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  20. An ammeter and a voltmeter of resistance R are connected in series to ...

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