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If the solenoid in the above question is...

If the solenoid in the above question is free to turn about the vertical direction, and a uniform horizontal magnetic field of `0*25T` is applied, what is the magnitude of the torque on the solenoid when its axis makes an angle of `30^@` with the direction of the applied field?

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NCERT TAMIL-MAGNETISM AND MATTER-Exercises
  1. Answer the following questions regarding earth's magnetism. a. A vec...

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  2. Answer the following questions . a. The earth's magnetic field varie...

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  3. Answer the following questions . a. The earth's magnetic field varie...

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  4. Answer the following questions . a. The earth's magnetic field varie...

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  5. Answer the following questions . a. The earth's magnetic field varie...

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  6. The earth's field departs from its dipole shpae substantially at large...

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  7. Answer the following questions . a. The earth's magnetic field varie...

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  8. A short bar magnet placed with its axis at 30^@ with a uniform extern...

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  9. A short bar magnet of moment 0*32JT^-1 is placed in a uniform external...

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  10. A closely wound solenoid of 800 turns and area of cross section 2*5xx1...

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  11. If the solenoid in the above question is free to turn about the vertic...

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  12. A bar magnet of magnetic moment 1.5JT^-1 lies aligned with the directi...

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  13. A closely wound solenoid of 2000 turns and area of cross section 1.6xx...

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  14. A circular coil of 16 turns and radius 10cm carrying a current of 0.75...

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  15. A magnetic needle free to rotate in a vertical plane parallel to the m...

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  16. At a certain location in Africa, compass points 12^@ west of geographi...

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  17. A short bar magnet has a magnetic moment of 0*48JT^-1. Give the direct...

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  18. A short bar magnet placed in a horizontal plane has its axis aligned a...

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  19. If the bar magnet in the above problem is turned around by 180^@, wher...

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  20. A short bar magnet of mangetic moment 5*25xx10^-2JT^-1 is placed with ...

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