The Common Collector Configuration MCQ

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• The input resistance is given by _________
  ক

  ∆VCE/∆IB

  খ

  ∆VBE/∆IB

  গ

  ∆VBE/∆IC

  ঘ

  ∆VBE/∆IE
• When is the transistor said to be saturated?
  ক

  when VCE is very low

  খ

  when VCE is very high

  গ

  when VBE is very low

  ঘ

  when VBE is very high
• The point on the DC load line which is represented by ‘Q’ is called _________
  ক

  cut off point

  খ

  cut in point

  গ

  breakdown point

  ঘ

  operating point
• A change in 300mV in base emitter voltage causes a change of 100µA in the base current. Determine the dynamic input resistance.
  ক

  20kΩ

  খ

  10kΩ

  গ

  30kΩ

  ঘ

  60kΩ
• Increase in collector emitter voltage from 5V to 8V causes increase in collector current from 5mA to 5.3mA. Determine the dynamic output resistance.
  ক

  20kΩ

  খ

  10kΩ

  গ

  50kΩ

  ঘ

  60kΩ
• What is the output resistance of CC transistor?
  ক

  25 Ω

  খ

  50 Ω

  গ

  100 Ω

  ঘ

  150 Ω
• The application of a CC configured transistor is_________
  ক

  voltage multiplier

  খ

  level shifter

  গ

  rectification

  ঘ

  impedance matching
• The CC configuration has an input resistance_________
  ক

  500kΩ

  খ

  750kΩ

  গ

  600kΩ

  ঘ

  400kΩ
• The relation between α and β is given by _________
  ক

  1/(1-α)=1- β

  খ

  1/(1+α)=1+ β

  গ

  1/(1-α)=1+ β

  ঘ

  1/(1+α)=1- β
• The current amplification factor ϒdc is given by_________
  ক

  IE/IB

  খ

  IB/IE

  গ

  IC/IE

  ঘ

  IE/IC