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3 marksOperational Amplifiers

CAPE Physics Unit 2 · 2003 · Paper 1 · Question 5(a)

In the space provided, sketch a typical gain frequency curve for an operational amplifier.

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Other parts of this question

  1. 5(b)What is meant by a 'virtual earth' in an operational amplifier circuit?[1 mark]
  2. 5(c)State ONE effect of positive feedback in an operational amplifier circuit.[1 mark]
  3. 5(d)(i)Calculate the net gain of the circuit.[4 marks]
  4. 5(d)(ii)Calculate the output voltage, V_0, when V_i = 0.01 V.[1 mark]

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