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4.5 Electromagnetic effects

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Question 77

An incandescent light bulb and an electric bell each use an effect of an electric current. Which row shows the effect of an electric current used by an incandescent light bulb and by an electric bell?

Effect used by an incandescent bulbEffect used by an electric bellAheating effectheating effectBheating effectmagnetic effectCmagnetic effectheating effectDmagnetic effectmagnetic effect \begin{array}{|c|c|c|} \hline & \text{Effect used by an incandescent bulb} & \text{Effect used by an electric bell} \\ \hline \textbf{A} & \text{heating effect} & \text{heating effect} \\ \hline \textbf{B} & \text{heating effect} & \text{magnetic effect} \\ \hline \textbf{C} & \text{magnetic effect} & \text{heating effect} \\ \hline \textbf{D} & \text{magnetic effect} & \text{magnetic effect} \\ \hline \end{array} ABCD​Effect used by an incandescent bulbheating effectheating effectmagnetic effectmagnetic effect​Effect used by an electric bellheating effectmagnetic effectheating effectmagnetic effect​​
A

heating effect | heating effect

B

heating effect | magnetic effect

C

magnetic effect | heating effect

D

magnetic effect | 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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