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Earth's magnetic field always has horizo...

Earth's magnetic field always has horizontal component except at

A

equator

B

magnetic pole

C

latitude of `60^(@)`

D

a latitude of `50^(@)`

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The correct Answer is:
A, C
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FULL MARKS-MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT -ADDITIONAL QUESTIONS SOLVED
  1. A magnetic needle is kept in a non-uniform magnetic field. It experien...

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  2. The unit of pole strength ( magnetic charge ) is .

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  3. Earth's magnetic field always has horizontal component except at

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  4. The angle of dip at the magnetic equator is

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  5. At a certain place the horizontl component of earth's magnetic field i...

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  6. At magnetic poles the angle of dip is

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  7. The horizontal component of earth's magnetic field at a place is 3.6 x...

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  8. A bar magnet of magnetic moment M is cut into two parts of equal lengt...

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  9. A magnetic needle suspended by a silk thread is vibrating in the earth...

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  10. Demagnetisation of a magnet can be done by

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  11. All the magnetic materials lose their magnetic properties when

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  12. The relative permeability of a paramagnetic material is

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  13. The relative permeability of a diamagnetic material is

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  14. Which of the following is most suitable for the core of an electromagn...

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  15. Soft iron is used in many parts of electrical machines for

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  16. When a diamagnetic substance is brough near the north or the south pol...

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  17. At Curie point, a ferromagnetic material becomes

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  18. Magnetic permeability is maximum for

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  19. The material of a permanent magnet has

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  20. Which one of the following is not made of soft iron ?

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