Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

(a(i))[2]

Calculate the current through the resistor.

(a(ii))[2]

State the voltmeter reading and explain your response.

(b)[1]

Fig. 8.3 gives the symbol for a logic gate. The truth table for this logic gate appears in Table 8.1. State the name of the logic gate.

(c(i))[3]

Complete Table 8.2 by filling in the truth table for this circuit.

(c(ii))[1]

A single logic gate can produce output E in Fig. 8.4 using the inputs A and B listed in Table 8.2. State the name of this logic gate.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: V = IR, or I = V \div R

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