Physics · May / June 2024 · Paper 11 · Question 35
5054Magnetic effect of a current
The diagram shows a loudspeaker that is producing a sound. A student writes four sentences about the loudspeaker. 1 There is a direct current in the coil of wire. 2 The current in the coil produces a changing magnetic field. 3 A force is produced on the coil of wire attached to the cone. 4 The cone spins around due to the force. Which sentences are correct?
- A1 and 2
- B1 and 4
- C2 and 3
- D3 and 4
As printed in the paper
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Correct answer: C. 2 and 3
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