1. |
What is the unit of magnetic flux?
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Answer:
Option (a) |
2. |
What is the relative permeability of a vacuum?
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Answer:
Option (a) |
3. |
An air gap is usually inserted in a magnetic circuits to
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Answer:
Option (c) |
4. |
Permeability in a magnetic circuit corresponds to ................in an electric circuit
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Answer:
Option (c) |
5. |
Those magnetic materials are best suited for making armature and transform cores which have ...........permeability and ...........hysteresis loss
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Answer:
Option (b) |
6. |
In a magnetic material hysteresis loss takes place primarily due to
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Answer:
Option (a) |
7. |
The property of a material which opposes the creation of magnetic flux in it is known as
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Answer:
Option (b) |
8. |
The area of hysteresis loss is a measure of
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Answer:
Option (b) |
9. |
In order to minimise hysteresis loss, the magnetic material should have
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Answer:
Option (c) |
10. |
Hysteresis loss least depends on
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Answer:
Option (d) |