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Electronic Devices & CircuitsBJT

For a BJT, emitter current IE is related to collector and base currents by?

  • AIE = IC - IB
  • BIE = IC + IB
  • CIE = IC/IB
  • DIE = IB - IC
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Correct Answer: B. IE = IC + IB
Explanation: By current continuity in a BJT, the emitter current equals the sum of collector and base currents: IE = IC + IB.
Reference: Standard transistor electronics: BJT currents
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