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Electronic Devices & CircuitsBJT

A BJT has beta=99. Its common-base current gain alpha is approximately?

  • A0.50
  • B0.90
  • C0.99
  • D1.99
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Correct Answer: C. 0.99
Explanation: alpha=beta/(beta+1)=99/100=0.99.
Reference: Standard transistor electronics: alpha calculation
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