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COMEDK2014PhysicsSemiconductors

A transistor works as an amplifier when,

Options

  1. Aemitter-base junction is forward biased and collector-base junction is reverse biased
  2. Bemitter-base junction is reverse biased and collector-base junction is forward biased
  3. CBoth junctions are forward biased
  4. DBoth junctions are reverse biased

Correct answer

A. emitter-base junction is forward biased and collector-base junction is reverse biased

Step-by-step solution

A transistor works as an amplifier, when emitter-base junction is in forward biased and collector-base junction is in reverse biased.

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