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

Characteristics of alternating currents — practice question

An ideal operational amplifier (op-amp) possesses infinite bandwidth and an infinite slew rate.
(a(i))[2]

State the meaning of infinite bandwidth.

(a(ii))[2]

State the meaning of infinite slew rate.

(b)[2]

Fig. 7.1 shows an incomplete circuit for a non-inverting amplifier that uses an ideal operational amplifier. On Fig. 7.1, draw lines to indicate the component connections needed to finish the circuit.

(c(i))[1]

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

(c(ii))[1]

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

Worked solution & mark scheme

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