Physics 0625 · IGCSE · Electromagnetic effects

Electromagnetic effects — practice question

Fig. 11.1 shows a solenoid attached to a battery.
(a)[3]

On Fig. 11.1, add the magnetic field pattern inside and around the solenoid, and show the direction of the magnetic field with an arrow.

(b)[2]

Calculate the number of turns on the secondary coil of the transformer.

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This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “field lines curl around the coil and enter the centre” …

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