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4.5 Electromagnetic effects

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Question 9

An electric bell and an electric heater each use an effect of an electric current.

Which effect of an electric current is used by an electric bell and which effect is used by an electric heater?

A

Bell: heating effect; Heater: heating effect

B

Bell: heating effect; Heater: magnetic effect

C

Bell: magnetic effect; Heater: heating effect

D

Bell: magnetic effect; Heater: magnetic effect

Markscheme

4.5 Electromagnetic effects Questions

  1. IGCSE
  2. /Physics
  3. /4.5 Electromagnetic effects

275 exam-style questions on CIE IGCSE Physics 4.5 Electromagnetic effects, covering 4.5.1a Electromagnetic induction, 4.5.1b Direction of an induced e.m.f., 4.5.2 The a.c. generator, 4.5.3a Magnetic effect of a current and its applications, 4.5.3b Strength and direction of the field around wires and solenoids, 4.5.4a Force on a current-carrying conductor, 4.5.4b Force on beams of charged particles, 4.5.5 The d.c. motor, 4.5.6a Construction and operation of a transformer, 4.5.6b Turns ratio and current in a transformer, and 4.5.6c High-voltage transmission of electricity. Each one has a worked solution and a mark scheme showing where the marks go.

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