Physics 0625 · IGCSE · Electromagnetic effects

Electromagnetic effects — practice question

(a)[3]

Explain why a very high voltage is chosen.

(b(i))[2]

Calculate the number of turns in the secondary coil.

(b(ii))[1]

State a suitable material for the core of the transformer.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A very high voltage produces a much smaller current” …

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