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Simple phenomena of magnetism

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Question 36

Which of the following methods can be used to demagnetise a permanent bar magnet?

heating the magnet strongly in a Bunsen flame

cooling the magnet in a freezer

placing the magnet inside a solenoid carrying a steady direct current (d.c.)

stroking the magnet repeatedly in one direction with one pole of another magnet

Markscheme

Simple phenomena of magnetism Questions

IGCSE
Physics
Simple phenomena of magnetism

169 exam-style questions on CIE IGCSE Physics Simple phenomena of magnetism, covering Simple phenomena of magnetism. Each one has a worked solution and a mark scheme showing where the marks go.

Simple phenomena of magnetism

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Simple phenomena of magnetism

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Question 36

Which of the following methods can be used to demagnetise a permanent bar magnet?

heating the magnet strongly in a Bunsen flame

cooling the magnet in a freezer

placing the magnet inside a solenoid carrying a steady direct current (d.c.)

stroking the magnet repeatedly in one direction with one pole of another magnet

Markscheme

Simple phenomena of magnetism Questions

IGCSE
Physics
Simple phenomena of magnetism

169 exam-style questions on CIE IGCSE Physics Simple phenomena of magnetism, covering Simple phenomena of magnetism. Each one has a worked solution and a mark scheme showing where the marks go.