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Electromagnetism questions

Electromagnetism questions | form four Physics

Find Electromagnetism examination questions, form four Physics in acaproso.com

# Question
1

Explain how a movingcoil galvanometer can be converted into an ammeter and into a voltmeter.


Short answers
2

What is meant by
(i) the angle of declination?
(ii) the angle of dip?
(iii) a magnetic pole?

as applied in electromagnetism.


Short answers
3

How can you test the polarity of a magnet? Explain briefly why is attraction not a sure
test for polarity.


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4

What is the difference between a magnetic field and an electric field?


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5

How are neutral points obtained in an electric field and in a magnetic field?


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6

What is meant by magnetic materials? Give two examples.


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7

State the law of magnets.


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8

Explain with an illustration how one can locate the position of a northpole of a bar magnet


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9

Explain with an illustration how to magnetize a steel bar using electric current.


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10

Give an account, with a diagram, of the structure of a stepdown transformer.


Short answers