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Home ‣ Electronics ‣ Diodes and Applications See What Others Are Saying!
  • Question

  • Thermal shutdown occurs in an IC regulator if:


  • Options
  • A. power dissipation is too high
  • B. internal temperature is too high
  • C. current through the device is too high
  • D. load resistance increases

  • Correct Answer
  • internal temperature is too high 

    • More questions

    • 1. Which component is shorted?


    • Options
    • A. R1
    • B. R2
    • C. R3
    • D. R4
      • Discuss
    • 2. This circuit is a voltage follower.


    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The number of electrons in the outer shell of carbon, germanium, and silicon is 5.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Delay times and current/voltage values remain constant regardless of temperature or other operating conditions for robust circuits like TTL.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The circuits in the 8085 that provide the arithmetic and logic functions are called the __________.

    • Options
    • A. CPU
    • B. ALU
    • C. I/O
    • D. bus decoder
      • Discuss
    • 6. The term buffer/driver signifies the ability to provide low output currents to drive light loads.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. 

      In the given circuit, the voltage at point A equals ______.


    • Options
    • A. ?10 V
    • B. +1 V
    • C. +9 V
    • D. +10 V
      • Discuss
    • 8. The ______ determines whether connected resistors are in series, parallel, or series-parallel?

    • Options
    • A. current flow
    • B. power source
    • C. voltage flow
    • D. wattage source
      • Discuss
    • 9. Totem pole output circuits can change states faster than open-collector output circuits.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. 

      How long would it take the capacitor in the given circuit to completely charge if the switch was in position 1?


    • Options
    • A. 22 ms
    • B. 69 ms
    • C. 345 ms
    • D. 440 ms
      • Discuss

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