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Electronic Devices & CircuitsBJT

For a BJT operating in the active region, the collector current is approximately related to base current by?

  • AIC = IB/beta
  • BIC = beta IB
  • CIC = IB + beta
  • DIC = beta/IB
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Correct Answer: B. IC = beta IB
Explanation: The common-emitter current gain beta is defined approximately as IC/IB in the active region, hence IC = beta IB.
Reference: Standard transistor electronics: BJT current gain
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