Science Coordinate 0654: P7. Electromagnetic effects Topical Past Paper Questions
Cambridge IGCSE Science Coordinate (0654) past-paper questions on P7. Electromagnetic effects, free. This topic is frequently examined across 23 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
(a) (i) Explain why metals are good electrical conductors. [1] (ii) On Figure 9.1 [1] , draw an arrow to show the direction of the flow of electrons in this circuit. Figure 9.1 (iii) The cell in Figure 9.1 has a current of 0.85A. Calculate the charge which passes through the resi…
(a) (i) Describe the construction of a step-up transformer. You may wish to draw a labelled diagram. [2] (ii) A step-up transformer reduces the current in an electricity transmission wire from 2000A to 500A. Calculate the power lost in a wire with resistance $ 0.60\Omega $ when t…
A magnet is moved in and out of a coil and an electromotive force (e.m.f.) is induced. How can the size of the induced e.m.f. be decreased? A Add more turns to the coil. B Move the magnet more quickly. C Move the magnet more slowly. D Turn the magnet around before moving it in an…
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