Quelpr
5 marksOperational Amplifiers

CAPE Physics Unit 2 · 2008 (Rest of Region) · Paper 2 · Question 5(a)

Figure 6 shows an inverting amplifier circuit.

Derive the equation for the gain of an inverting amplifier A = -R_2 / R_1, clearly stating two necessary assumptions about the operational amplifier.

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Other parts of this question

  1. 5(b)Plot a suitable graph of the provided data for R_1 and A to determine whether the gain formula applies, and write a concise summary with reasoning.[10 marks]

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