EASY
Upper Secondary-IGCSE
IMPORTANT
Earn 100

Why a compass is not very useful for getting to the North or South poles. Outline your findings.

Important Questions on Magnetism

EASY
Upper Secondary-IGCSE
IMPORTANT
State why an electromagnet is useful?
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Explain whether you would use soft iron or steel for an electromagnet.
EASY
Upper Secondary-IGCSE
IMPORTANT
Describe a method by which you could determine the polarity of an electromagnet.
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
A woman was doing some work on her house. She was using a power drill to make a hole in a steel sheet. A stray piece of metal flew off the drill and hit her in the eye. When she went to hospital, the doctor used a very strong magnet to remove the metal. State whether a permanent magnet or an electromagnet would me most suitable to remove the metal. Explain your answer.
MEDIUM
Upper Secondary-IGCSE
IMPORTANT

Describe a method by which you could directly measure the strength of an electromagnet's field by measuring the force produced by it and compare the strengths of different electromagnets. You should note the factors that affect the strength of the field and how you would vary them?

EASY
Upper Secondary-IGCSE
IMPORTANT
Describe a method that you can use to find the shape of the magnetic field around a bar magnet. Your method should include, how you can determine the direction of field lines?
MEDIUM
Upper Secondary-IGCSE
IMPORTANT

Complete figure by drawing the field pattern between the poles.

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MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Explain why two North Poles or two South Poles repel?