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Home ‣ Electronics ‣ Inductors See What Others Are Saying!
  • Question

  • Electricity may be generated by a wire:


  • Options
  • A. carrying current
  • B. wrapped as a coil
  • C. that has neutral domains
  • D. passing through a flux field

  • Correct Answer
  • passing through a flux field 

    • More questions

    • 1. 

      The inductance value of L3 in the given figure is _____ if the total inductance is 340 mH.


    • Options
    • A. 150 mH
    • B. 220 mH
    • C. 295 mH
    • D. 315 mH
      • Discuss
    • 2. When considering conventional current versus electron current flow:

    • Options
    • A. electron current flow came first
    • B. protons move in conventional current flow
    • C. conventional current flow came first
    • D. the direction of current is the same in both methods
      • Discuss
    • 3. What type of resistors have a tolerance rating of 5% or greater?

    • Options
    • A. precision
    • B. SIP
    • C. general-purpose
    • D. wirewound
      • Discuss
    • 4. The resistivity of copper is:

    • Options
    • A. 9.9 Ω
    • B. 10.7 Ω
    • C. 16.7 Ω
    • D. 17.0 Ω
      • Discuss
    • 5. A transformer turns ratio of ________ will be needed to match an output impedance of 5 kΩ to an 8 Ω speaker.

    • Options
    • A. 5:1
    • B. 8:1
    • C. 25:1
    • D. 625:1
      • Discuss
    • 6. 

      The voltage V2 is _____ in the given circuit.


    • Options
    • A. 36.7 V
    • B. 73.3 V
    • C. 110 V
    • D. 220 V


      • Discuss
    • 7. 
      When the south poles of two bar magnets are brought close together, there will be a force of attraction.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The output of a differentiator could be considered a spike when the input pulse width is much longer than 5 time constants.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. An AND gate and two INVERTERs can be connected to act as a basic decoder.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The basic difference between a fuse and a circuit breaker is

    • Options
    • A. a fuse is slower
    • B. a fuse is reusable
    • C. a circuit breaker is reusable
    • D. a circuit breaker is more reliable
      • Discuss

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