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To make the field radial in a moving coi...

To make the field radial in a moving coil galvanometer

A

The number of turns in the coil is increased

B

Magnet is taken in the form of horse-shoe

C

Poles are cylindrically cut

D

Coil is wounded on aluminium frame

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The correct Answer is:
C
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ERRORLESS -MAGNETIC EFFECT OF CURRENT-Exercise
  1. The radius of a circular loop is r and a current i is flowing in it. T...

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  2. A current carrying loop is placed in a uniform magnetic field. The tor...

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  3. To make the field radial in a moving coil galvanometer

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  4. The deflection in a moving coil galvanometer is

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  5. In a moving coil galvanometer, the deflection of the coil q is related...

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  6. The unit of electric current "ampere" is the current which when flowin...

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  7. A moving coil galvanometer has N numbr of turns in a coil of effective...

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  8. A small coil of N turns has an effective area A and carries a current ...

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  9. A small coil of N turns has area A and a current I flows through it. T...

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  10. A current of 10 ampere is flowing in a wire of length 1.5m. A force of...

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  11. A rectangular loop carrying a current i is placed in a uniform magneti...

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  12. An electron moves with a constant speed v along a circle of radius r. ...

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  13. Four wires each of length 2.0 meters area bent into four loops P,Q,R a...

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  14. A current carrying rectangular coil is placed in a uniform magnetic fi...

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  15. A current carrying circular loop is freely suspended by a long thread....

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  16. A current carrying loop is free to turn in a uniform magnetic field.Th...

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  17. The expression for the torque acting on a coil having area of crosssec...

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  18. The sensitiveness of a moving coil galvanometer can be increased by de...

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  19. Two parallel conductors A and B of equal lengths carry currents I and ...

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  20. Three long, straight and parallel wires are arranged as shown in Fig. ...

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