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1 markPaper 1 · Multiple choiceOperational Amplifiers

CAPE Physics Unit 2 · 2008 (T&T) · Paper 1 · Question Q22

What is the output, V_o, of the amplifier?

  1. (A)\left(\frac{R_1 + R_2}{R_1}\right) V_{in}
  2. (B)-\frac{R_2}{R_1} V_{in}
  3. (C)\frac{R_2 + R_1}{R_1} V_{in}
  4. (D)-\frac{R_1}{R_2} V_{in}

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Other parts of this question

  1. Q21Which of the labelled points could be called a virtual earth?[1 mark]

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