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Simple phenomena of magnetism

Simple phenomena of magnetism

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Question 28

A student wants to magnetise an unmagnetised steel bar.

The student proposes three different methods:

I. Place the steel bar inside a long coil (solenoid) carrying a steady direct current (d.c.).

II. Stroke the steel bar repeatedly in one direction with the north pole of a strong permanent magnet.

III. Place the steel bar inside a long coil (solenoid) carrying an alternating current (a.c.) and slowly withdraw it.

Which of these methods will successfully magnetise the steel bar?

A

I and II only

B

I and III only

C

II and III only

D

I, II, and III

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Simple phenomena of magnetism Questions

  1. IGCSE
  2. /Physics
  3. /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.

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