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Diameter of a circular conducting coil 2...

Diameter of a circular conducting coil 20 cm and the number of turns in it is 500 . If 3 a current is sent through it , the strength of the coil becomes equal to the strength of a bar magnet of length 5cm . Determine the pole - strength of the bar magnet .

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The correct Answer is:
`942.5A.m`
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CHHAYA PUBLICATION-Magnetic Properties of Materials -EXERCISE (Problem Set - I )
  1. Radius of a circular conducting coil is 7 cm and the number of turns i...

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  2. Diameter of a circular conducting coil 20 cm and the number of turns i...

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  3. A magnetised steel wire of length 32.8 cm has pole -strength 1A.m If ...

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  4. Radius of the first circular orbit of hydrogen atom is 0.53xx10^(-10)m...

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  5. Strengths of two magnetic poles are 0.5 A m 2 A.m If they are a distan...

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  6. The ratio of pole- strengths of two like magnetic poles is 9 : 1 and t...

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  7. Determine the magnetic field of a bar magnet of length 10 cm , having ...

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  8. Magnetic moment of a small bar magnet is 2A.m^(2) Determine the mag...

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  9. The ratio of the magnetic fields at distances 30 cm and 60 cm respecti...

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  10. The length of a magnet AB is 20 cm and its magnetic moment is 0.24A.m...

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  11. Force experienced by a magnetic pole, when kept in a uniform magnetic ...

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  12. The magnetic moment of a a small bar magnet is 0.9a.m^(2) If it is ...

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  13. The length of straight solenoid is 10 cm, number of turns is 5000 , c...

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  14. Magnetic field at a point a material is 0.02 T and the relative perm...

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  15. Diameter of a toroid is 10 cm and number of turns is 5000. find the ...

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  16. An 1 m long straight solenoid has 1000 number of turns the relative...

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  17. The angle of dip at a place is 45^(@) And the earth's magnetic fie...

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  18. If the horizontal component of earth's magnetic field intensity at a p...

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  19. Vertical component of the intensity of geomagnetic field at a place is...

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  20. At a place A intensity of geomagnetic field is 39.8A.m^(-1) And a...

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