Physics 9702 · AS & A Level · Characteristics of alternating currents

Characteristics of alternating currents — practice question

An ideal operational amplifier (op-amp) is assumed to have infinite bandwidth as well as infinite slew rate.
(a(i))[2]

State the meaning of infinite bandwidth.

(a(ii))[2]

State the meaning of infinite slew rate.

(b)[2]

On Fig. 7.1, add lines to indicate the connections between the components in order to complete the circuit.

(c(i))[1]

The completed amplifier in Fig. 7.1 has a voltage gain of $10$. State the output voltage $V_{OUT}$ when the input voltage $V_{IN}$ is $-0.36\ \text{V}$.

(c(ii))[1]

The completed amplifier in Fig. 7.1 has a voltage gain of $10$. State the output voltage $V_{OUT}$ when the input voltage $V_{IN}$ is $0.56\ \text{V}$.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: gain remains constant

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