Physics 0625 · IGCSE · Electromagnetic effects

Electromagnetic effects — practice question

In an experiment, a student is using an electrical heater that is attached to a power supply.
(a)[3]

Calculate how much energy is transferred to the heater in 90 s.

(b)[2]

State the name of each of the three wires in the cable.

(c)[3]

Calculate the number of turns ($N_s$) on the secondary coil.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “energy transferred = 2400 J” …

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