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Analog ElectronicsOperational Amplifiers

An ideal inverting integrator has R = 100 kOhm and C = 0.1 microfarad. If a constant +1 V input is applied, the output slope is?

  • A+10 V/s
  • B-10 V/s
  • C+100 V/s
  • D-100 V/s
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Correct Answer: D. -100 V/s
Explanation: For an ideal integrator, dVo/dt = -Vin/(RC). RC = 100000 × 10^-7 = 0.01 s, so slope = -1/0.01 = -100 V/s.
Reference: Standard analog electronics: operational amplifiers
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