Quelpr
3 marksOperational Amplifiers

CAPE Physics Unit 2 · 2003 · Paper 2 · Question 6(b)(i)

Circuits A and B are cascaded as shown in Figure 6.

Determine the output voltage, V_o, of the circuit.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)(i)State THREE characteristics of the ideal operational amplifier and their implications for the ideal operational amplifier.[6 marks]
  2. 6(a)(ii)What effect does negative feedback have on the gain and bandwidth of an operational amplifier?[2 marks]
  3. 6(b)(ii)Suggest a practical use for circuit B.[1 mark]
  4. 6(b)(iii)The entire circuit in Figure 6 saturates at +- 13 V. What is the maximum input voltage that will NOT saturate this circuit?[3 marks]
  5. 6(c)Three signals V_1, V_2 and V_3 are to be combined to produce an output V_o = -3V_1 - V_2 - 5V_3. The input resistance of the inputs must NOT be less than 10…[5 marks]

More practice: the rest of this paper · more Operational Amplifiers questions · all CAPE Physics Unit 2 past papers