Physics 0625 · IGCSE · Electrical quantities

Electrical quantities — practice question

Fig. 9.1 displays a plastic ruler.

(a)[3]

Suggest and explain how a student could make a plastic ruler positively charged.

(b(i))[1]

State what charge, if any, the sphere has.

(b(ii))[1]

Explain your response to (b)(i).

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “(rule) is rubbed using a cloth (owtte)” …