Grade 11 Physical Sciences · Electricity and Magnetism
Explain electromagnetic induction
Explain why a current is made when a magnet moves in or out of a coil, and what makes the induced emf bigger (a faster magnet).
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Question 8.3.2 · November 2025 · Paper 1 · Provincial · 2 marks
The north pole of a magnet is pushed into a solenoid as shown in the diagram below.
8.3 A coil with turns has an area of m. It is held with its axis coinciding with the direction of a magnetic field of strength T. In order to induce an emf in the coil, it is pulled out of the magnetic field in seconds.
Answer the following questions.
Answer the following questions.
8.3.2 Mention TWO ways in which the magnitude of the induced emf can be increased.(2)
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