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What type of materials can use to make a...

What type of materials can use to make an electromagnet ?

A

high retentivity, high coercivity.

B

low retentivity, low coercivity.

C

high retentivity, low coercivity.

D

low retentivity, high coercivity.

Text Solution

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The correct Answer is:
B
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KUMAR PRAKASHAN-MAGNETISM AND MATTER-SECTION D Multiple Choice Questions (MCQs) (MCQs From .DARPAN. Based On Textbook) Magnetisation and Magnetic Properties of Materials, Permanent Magnets and Electromagnets
  1. Which of following is more appropriate material for making an electrom...

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  2. Material used for making permanent magnet has ...... and .......

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  3. What type of materials can use to make an electromagnet ?

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  4. Which of the following has negative magnetic susceptibility ?

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  5. The relative permiability of a diamagnetic substance is ........ .. .

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  6. Magnetic properties of which of the following materials do not affecte...

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  7. A hydrogen atom is paramagnetic. A hydrogen molecule is ..... .

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  8. One ferromagnetic substance has magnetic susceptibility chi(m) at 27^(...

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  9. Hysteresis cycle of a permanent magnet is ..... and .....

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  10. In non-uniform magnetic field, a diamagnetic substance experiences a r...

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  11. When a paramagnetic substance is brought near to north or south pole o...

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  12. Magnetization for vaccum is ........

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  13. Water is .....

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  14. The intensity of magnetization of a magnet of magnetic dipole moment 1...

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  15. Which of the following behaves as paramagnetic substance ?

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  16. Magnetic susceptibility of paramagnetic substance is ...... .

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  17. Domain formation is the necessary feature of...

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  18. Electromagnet is used in ...

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  19. The magnetic susceptibility of a paramagnetic substance at -73^(@) is ...

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  20. Relative permeability of iron is 5500, then its magnetic susceptibilit...

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