Physics 0625 · IGCSE · Electrical quantities

Electrical quantities — practice question

Fig. 9.1 depicts an electric kettle.

(a(i))[4]

Calculate the current that flows in the kettle as it is switched on.

(a(ii))[3]

Calculate the cost of the energy used by the kettle over $4.0$ hours.

(b)[2]

Explain the danger of plugging too many appliances into an extension lead.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Current, I = 6.8 A” …