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Quiz

Class 2 Midterm part 1

Regino Callan 15 Fragen

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Fragen in diesem Quiz (15)

  1. 1
    Frequency is measured in ____________.
    1. AHertz
    2. BJoules
    3. CSeconds
    4. DCoulombs
  2. 2
    A 0.1µH inductor is placed in series with a 2µH inductor. The total inductance is:
    1. A2.1µH
    2. B1.9µH
    3. C0.95µH
    4. D. 0.2µH
  3. 3
    Some relays can be operated (controlled) by AC current, and some only by DC.
    1. ARichtig
    2. BFalsch
  4. 4If a switch is closed, that switch is:
    1. Azero Ohms
    2. Binfinite Ohms
    3. Cbreaking a path
    4. Doff
  5. 5
    When current is flowing toward you (when electron flow is toward you) in a wire, the direction of the magnetic flux will be _______________.
    1. A. toward you
    2. Bcounterclockwise
    3. Cclockwise
    4. Daway from you
  6. 6Galvanic isolation ____________.
    1. Ais commonly used in electrical power distribution.
    2. Bprevents unwanted currents in electrical systems.
    3. Cis an important electrical safety mechanism.
    4. DAll of the above
  7. 7If a switch is “OFF” the switch is:
    1. AOpen
    2. BZero Ohms
    3. CClosed
    4. Dmaking a path
  8. 8
    For Sine waves, peak voltages and currents are equal to 0.636 times the R.M.S. value.
    1. ARichtig
    2. BFalsch
  9. 9
    An inductor opposes a change in _____.
    1. Atemperature
    2. Bcurrent
    3. Cresistance
    4. Dvoltage
  10. 10
    Unlike magnetic poles _______________ each other, while like magnetic poles _______________ each other.
    1. Aattract, repel
    2. Brepel, attract
    3. Crepel, repel
    4. Dattract, attract

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Beschreibung
Quiz am Class 2 Midterm part 1 , erstellt von Regino Callan am 30/11/2020.
Sprache
English
Aufrufe
15
Schlagwörter
emc
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