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1 markPaper 1 · Multiple choiceOperational Amplifiers

CAPE Physics Unit 2 · 2008 (T&T) · Paper 1 · Question Q21

Which of the labelled points could be called a virtual earth?

  1. (A)X only
  2. (B)Z only
  3. (C)X and Y
  4. (D)W and Y

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Other parts of this question

  1. Q22What is the output, V_o, of the amplifier?[1 mark]

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