Electricity and magnetism
570 past-paper questions on Electricity and magnetism · examined 2020–2025.
20258 questions
A plotting compass is placed at position X near to a bar magnet. The diagram shows the direction in which the compass points. Which diagram shows the direction in which the plotting compass placed at position Y points?
A student rubs a plastic rod with a cloth. Electrons move from the cloth to the rod. Which statement about the rod is correct?
Which expression is used to calculate electrical resistance?
The diagram shows part of an electric circuit. The reading on the voltmeter is 16 V. The current in the resistor is 8.0 A. One coulomb of charge flows from P to Q through the resistor. How much energy is transferred in the resistor?
What is the combined resistance of a 3.0 Ω resistor and a 6.0 Ω resistor connected in parallel?
A 5.0 Ω resistor is connected in series with a 10 Ω resistor. There is a constant current in the 5.0 Ω resistor. Which statement about the two resistors is correct?
Which statement explains where the switch for an electric lamp is connected?
The diagram shows a magnet moving towards a coil of wire. When the magnet moves towards the coil of wire, an electromotive force (e.m.f.) is induced. Students are asked for one change that will increase the magnitude of the induced e.m.f. Three changes are proposed. Which changes, on their own, will increase the magnitude of the induced e.m.f.?
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