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Home ‣ Electronics ‣ Field Effect Transistors (FET) See What Others Are Saying!
  • Question

  • In the constant-current region, how will the IDS change in an n-channel JFET?


  • Options
  • A. As VGS decreases ID decreases.
  • B. As VGS increases ID increases.
  • C. As VGS decreases ID remains constant.
  • D. As VGS increases ID remains constant.

  • Correct Answer
  • As VGS decreases ID decreases. 

    • More questions

    • 1. JFET terminal "legs" are connections to the drain, the gate, and the:

    • Options
    • A. channel
    • B. source
    • C. substrate
    • D. cathode
      • Discuss
    • 2. Capacitive reactance is inversely proportional with frequency.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. What is the average value of a 12 V peak wave?

    • Options
    • A. 3.82 V
    • B. 4.24 V
    • C. 7.64 V
    • D. 9.42 V
      • Discuss
    • 4. The DIAC is a:

    • Options
    • A. transistor
    • B. unidirectional device
    • C. three-layer device
    • D. bidirectional device
      • Discuss
    • 5. Phase angle is the difference in phase between the applied voltage (VS) and the circuit current (IT).

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Which is considered to be the common reference for a parallel circuit?

    • Options
    • A. Voltage
    • B. Current
    • C. Power
    • D. Resistance
      • Discuss
    • 7. 0.00015 V can be expressed in powers of ten as 1.5 × 10?4 V.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. A 10 µF capacitor will have more capacitive reactance than a 20 µF capacitor in a 60 Hz circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. A JFET can be either a current-controlled device or a voltage-controlled device.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The effectiveness of a filter in rejecting signals beyond cutoff frequency is a function of the filter roll-off rating.

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

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