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The early effect in a bipolar junction transistor is caused by
  • a)
    Fast turn - on
  • b)
    Fast turn off
  • c)
    Large collector – base reverse bias
  • d)
    Large emitter – base forward bias
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The early effect in a bipolar junction transistor is caused bya)Fast t...
  • A large collector base reverse bias is the reason behind early effect manifested by BJTs
  • The depletion layer penetrates more into the base as the base is lightly doped increasing the concentration gradient in the base
  • As reverse biasing of the collector to base junction increases, depletion region penetrates more into the base, this reduces the effective base width
  • This reduction in base width causes less recombination of carriers in the base region
  • This is known as an early effect
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Most Upvoted Answer
The early effect in a bipolar junction transistor is caused bya)Fast t...
Currentd)Large base current
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The early effect in a bipolar junction transistor is caused bya)Fast turn - onb)Fast turn offc)Large collector – base reverse biasd)Large emitter – base forward biasCorrect answer is option 'C'. Can you explain this answer?
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