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4.5.3a Magnetic effect of a current and its applications

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Question 11
a.

State two advantages that electromagnets have, compared with permanent magnets.

[2]
b.

Select one option from each of the columns below to indicate the combination that would produce the strongest electromagnet.

Column 1: Number of turnsColumn 2: Core materialColumn 3: Current
[ ] 1500 turns[ ] Plastic[ ] 4.5 A
[ ] 750 turns[ ] Air[ ] 3.0 A
[ ] 150 turns[ ] Iron[ ] 1.5 A
[3]
Markscheme

4.5.3a Magnetic effect of a current and its applications Questions

  1. IGCSE
  2. /Physics
  3. /4.5.3a Magnetic effect of a current and its applications

30 exam-style questions on CIE IGCSE Physics 4.5.3a Magnetic effect of a current and its applications. Each one has a worked solution and a mark scheme showing where the marks go.

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