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Analog ElectronicsOperational Amplifiers

For an ideal inverting op-amp with Rin = 5 kOhm and Rf = 50 kOhm, the voltage gain is?

  • A+10
  • B-10
  • C+5
  • D-5
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Correct Answer: B. -10
Explanation: Av = -Rf/Rin = -50/5 = -10.
Reference: Standard analog electronics: operational amplifiers
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