1. |
What is a permeable substance?
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Answer:
Option (d) |
2. |
Materials having good retentivity are?
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Answer:
Option (d) |
3. |
Magnetic field exists along which of the following?
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Answer:
Option (a) |
4. |
Magnetomotive force is equal to__________________
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Answer:
Option (a) |
5. |
Unit of MMF is ______________
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Answer:
Option (c) |
6. |
When a bar magnet is broken into two pieces, which of the following are true?
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Answer:
Option (d) |
7. |
When an electric current flows into the page, what is the direction of the magnetic field?
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Answer:
Option (a) |
8. |
The relation between the direction of current and the direction of a magnetic field is?
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Answer:
Option (c) |
9. |
Permeability of free space is also known as _________
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Answer:
Option (a) |
10. |
A substance whose permeability is less than the permeability of free space is?
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Answer:
Option (a) |