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Home ‣ Electronics ‣ Bipolar Junction Transistors (BJT) See What Others Are Saying!
  • Question

  • Total emitter current is:


  • Options
  • A. IE ? IC
  • B. IC + IE
  • C. IB + IC
  • D. IB ? IC

  • Correct Answer
  • IB + IC 

    • More questions

    • 1. One of the most common applications of a potentiometer is as an adjustable voltage divider, also known as

    • Options
    • A. voltage control
    • B. current control
    • C. volume control
    • D. divider control
      • Discuss
    • 2. If three resistors of 1.5 kilohms, 470 ohms, and 3300 ohms are in series with a 25-volt source, what is the total circuit current?

    • Options
    • A. 210 mA
    • B. 5.2 mA
    • C. 4.7 mA
    • D. .007 A
      • Discuss
    • 3. 
      While putting three 1.5 V batteries into a flashlight, you put one in backwards. The flashlight will be ______________.

    • Options
    • A. brighter than normal
    • B. dimmer than normal
    • C. off
    • D. the same
      • Discuss
    • 4. If series resistors dissipate 16 mW, 107 mW, 146 mW, and 243 mW, what is the total power consumed by the circuit?

    • Options
    • A. 128 mW
    • B. 269 mW
    • C. 512 mW
    • D. 1024 mW
      • Discuss
    • 5. What are the minimum and maximum output voltages?


    • Options
    • A. 0 V, 4 V
    • B. 0 V, 8 V
    • C. 0 V, 12 V
    • D. 0 V, 16 V
      • Discuss
    • 6. What is the permeability of machine steel?

    • Options
    • A. 1.1 x 10?4
    • B. 5.65 x 10?4
    • C. 6.9 x 10?3
    • D. 8.8 x 10?3
      • Discuss
    • 7. The current through R1 is 17 mA.


    • Options
    • A. True
    • B. False
      • Discuss
    • 8. If a repetitive-pulse waveform is applied to an RC integrator, the output waveshape depends on the relationship of the circuit time constant and the duty cycle of the input pulses.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The __________ program is used to convert mnemonic code to machine code.

    • Options
    • A. debug
    • B. C++
    • C. fortran
    • D. assembler
      • Discuss
    • 10. The total power dissipated is 4.8 watts.


    • Options
    • A. True
    • B. False
      • Discuss

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