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AP EAMCET2006PhysicsSemiconductors

Consider a p-n junction as a capacitor, formed with p and n -materials acting as thin metal electrodes and depletion layer width acting as separation between them. Basing on this, assume that a n-p-n transistor is working as an amplifier in CE configuration. If C₁ and C₂ are the base-emitter and collector-emitter junction capacitances, then :

Options

  1. AC₁>C₂
  2. BC₁ < C₂
  3. CC₁=C₂
  4. DC₁=C₂=0

Correct answer

A. C₁>C₂

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