Physics · May / June 2025 · Paper 11 · Question 32
An alternating current (a.c.) generator is connected to an oscilloscope. The diagram shows the trace produced on the oscilloscope screen. [diagram of oscilloscope trace with points 1, 2 and 3] What are possible angles between the plane of the coil and the magnetic field direction at the times represented by points 1, 2 and 3?
- A0° 90° 180°
- B0° 90° 270°
- C90° 180° 0°
- D90° 270° 0°
As printed in the paper
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Correct answer: C. 90° 180° 0°
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