Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

Fig. 10.1 illustrates a series circuit.

(a(i))[1]

Calculate the circuit resistance.

(a(ii))[3]

Calculate the potential difference across the fixed resistor in the circuit.

(b)[2]

State and explain how the current in the circuit changes.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The answer is 25.6 Ω.” …