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Alternating Current and Voltage MCQ Test

  1. AC stands for ________.
  2. A phasor represents ___________.
  3. What is the peak to peak voltage of the waveform?
  4. A half cycle average voltage of 12 v is equal to ____ rms voltage
  5. What is the fourth harmonic of a fundamental frequency of 400hz?
  6. The peak value of a sine wave is equal to ____ the RMS value.
  7. What do you mean by alter alternator?
  8. The term “RMS” stands for __________ in electronics.
  9. A sine wave's peak-to-peak voltage value is always twice its peak voltage value.
  10. If a wave has frequency of 2 Hz, it has a period of ?
  11. Most practical alternators generate electricity from _____.
  12. Transformer works on the principle of _____.
  13. What do you mean by Instantaneous Value?
  14. Root Mean Square Value is ________.
Last Updated: Apr 17, 2021,
Posted in Interview Questions,
20 Questions
Alternating Current and Voltage MCQ

Take Alternating Current and Voltage MCQ Test & Online Quiz to test your Knowledge

Below is the Alternating Current and Voltage MCQ test that checks your basic knowledge of Alternating Current and Voltage. This Alternating Current and Voltage MCQ Test contains 20 Multiple Choice Questions. You have to select the right answer to the question. Finally, you can also take the Online Quiz from the Take Alternating Current and Voltage Quiz Button.

  • direct current
  • Action current
  • Alter current
  • alternating current
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  • The magnitude and a quantity direction
  • The width of a quantity
  • The phase angle
  • The magnitude of a quantity
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  • just the full vertical length of a voltage waveform from the very top to the very bottom on the circuit.
  • just the full horizontal length of a voltage waveform from the very top to the very bottom
  • just the full horizontal length of a voltage waveform from the very left to the right
  • None of the above
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  • An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current.
  • DC
  • AC
  • None of the above
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  • Root-Mean-Squared
  • Read Only Memory
  • Random Machine System
  • None of the above
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  • a coil rotating within a magnetic field
  • a magnetic field rotating around fixed windings
  • a permanent magnet rotating within a varying electromagnetic field
  • none of the above
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  • convertor
  • invertor
  • mutual induction
  • self-induction
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  • The value of alternating voltage and current at an instant t.
  • The value of direct current which produces the same heating effect in a given resistor as is produced by the given alternating current when passed for the same time.
  • It is defined as that value of direct current which sends the same charge in a circuit in the same time as is sent by the given alternating current in its half time period.
  • Maximum values of voltage and current in a cycle
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  • Random Access Memory
  • The value of direct current which produces the same heating effect in a given resistor as is produced by the given alternating current when passed for the same time.
  • The value of alternating voltage and current at an instant t.
  • None of the above
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  • Admittance
  • Inductance
  • Reactance
  • Conductance
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  • AC cannot pass through a DC ammeter
  • AC changes its direction
  • AC is virtual
  • The average value of a complete cycle is zero
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  • Jaes Goslig
  • Nikola Tesla and Otto Blathy
  • Lerdrof Each
  • Tim Bernners Lee
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