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In the above question, the acceleration ...

In the above question, the acceleration of the rim will be?

A

`2pirIB`

B

`pir^(2)IB`

C

`2pir^(2)IB`

D

zero

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-IA
  1. A current loop in a magnetic field

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  2. A square loop ABCD, carrying a current I(2) is placed near and coplan...

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  3. In the above question, the acceleration of the rim will be?

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  4. A circular coil of n turns and area of crosssection A , carrying a cur...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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