ETC EngineeringMCQs
Home › Analog Electronics › A Colpitts oscillator uses C1 = 100 pF and C2 = 100 pF. The equivalent series capacitance that resonates with the inductor is?
MCQ Practice Question
Analog ElectronicsOscillators

A Colpitts oscillator uses C1 = 100 pF and C2 = 100 pF. The equivalent series capacitance that resonates with the inductor is?

  • A25 pF
  • B50 pF
  • C100 pF
  • D200 pF
Report an error
Correct Answer: B. 50 pF
Explanation: For the capacitive divider, Ceq = C1C2/(C1+C2) = 100×100/200 = 50 pF.
Reference: Standard analog electronics: oscillators
Continue practicing: Analog Electronics MCQs or browse all MCQs.