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Soft iron is used in many parts of elect...

Soft iron is used in many parts of electrical machines for

A

low hysteresis loss and low permeability

B

low hysteresis loss and high permeability

C

high hysteresis loss and low permeability

D

high hysteresis loss and high permeability

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The correct Answer is:
A, B, D
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FULL MARKS-MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT -ADDITIONAL QUESTIONS SOLVED
  1. The relative permeability of a diamagnetic material is

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

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

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

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  5. At Curie point, a ferromagnetic material becomes

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  6. Magnetic permeability is maximum for

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  7. The material of a permanent magnet has

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

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  9. A dip circle is at right angles to the magnetic meridian. The apparent...

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  10. A magnetic needle is placed in a uniform magnetic field. It experienec...

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  11. Relative permeability of iron is 5500. Its magnetic susceptibility is

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  12. The inherent property of all matter is

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  13. A magnetic needle suspended freely

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  14. The earth's magnetic field at a given point is 0.5 xx 10^(-5) Wb m^(2)...

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  15. A frog can be leviated in a magnetic field produced by a current in a ...

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  16. The magnetic moment of a current carrying circular coil of radius r va...

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  17. For a paramagnetic material, the dependence of the magnetic susceptibi...

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  18. A charged paticle (charge q ) is moving in a circle of radius R with u...

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  19. Nickel shows ferromagnetic property at room temperature. If the temper...

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  20. A proton enters a magnetic field of flux density 1.5 Wb/m^(2) with a s...

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