engineering physics MCQ #1866

The collector current in a transistor is 10 mA. If 90% of the electrons emitted reach the collector, the emitter current is

engineering physics MCQ #1866

  1. Question 1

    Q1. The collector current in a transistor is 10 mA. If 90% of the electrons emitted reach the collector, the emitter current is

    • A) 11.11 mA
    • B) 12 mA
    • C) 9 mA
    • D) 8 mA

    Answer: 11.11 mA

    Explanation: Ie = Ic / 0.9 = 10 mA / 0.9 = 11.11 mA.