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5 marksOperational Amplifiers

CAPE Physics Unit 2 · 2002 · Paper 1 · Question 4(a)

The gain of an inverting amplifier is measured on an oscilloscope using a sine wave input. Figure 4 shows the input waveform V_i (Channel 1, 0.1 V/cm) and output waveform V_o (Channel 2, 5 V/cm).

Determine the gain of the amplifier.

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Other parts of this question

  1. 4(b)(i)Write down the name of the operational amplifier circuit shown in Figure 5.[1 mark]
  2. 4(b)(ii)State TWO practical uses of the circuit shown in Figure 5.[2 marks]
  3. 4(c)State how the values of V_o1 and V_o2 relate to V_1.[2 marks]

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