Please select a subject first
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State three important properties of a magnet.
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Concept: undefined >> undefined
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Define the following term:
Magnetic meridian
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Define the following term:
Geographic meridian
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Define the following term:
Angle of declination
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Define the following term:
Angle of dip
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Give scientific reason:
Soft iron is used to make electromagnets.
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Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
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Give scientific reason:
Not attraction but repulsion is a sure test of magnetism.
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Write a short note on lighting conductors.
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Explain the following:
Resistance of a conductor
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Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
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What is meant by electrostatic induction? You have been given two metal containers A and Band a positively charged body X. With the help of a diagram, explain the different stages of charging - A positively, and B negatively.
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With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
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Differentiate between:
Primary and secondary cell.
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With the help of a diagram explain the following:
Magnetisation of steel needle using electric current such that the pointed end should have north polarity.
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Distinguish between
Natural and artificial magnets.
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