Q157 / 180 · COMEDK 2019 · Physics

The emitter-base junction of a transistor is ....... biased, while the collector-base junction is ....... biased.

  • A
    reverse, forward
  • B
    reverse, reverse
  • C
    forward, forward
  • Correct answer
    D
    forward, reverse

Solution

The emitter is always forward biased to enable the majority charge carriers to cross the emitter-base junction and collector-base function is in reverse biased to collect the charge carriers, so that current flows through the transistor. Hence, the emitter-base junction of a transistor is forward biased, while collector-base junction is reverse biased.

Hence, the correct answer is option: 'D'.

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