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EEE :: Alternating Current and Voltage

  1. The duty cycle of a pulse waveform with a pulse width of 10 µs and a period of 100 µs is 25%.

  2. A.
    True
    B.
    False

  3. The angular position of a phasor represents the angle of the sine wave with respect to a reference.

  4. A.
    True
    B.
    False

  5. The designation rms means repetitions measured per second.

  6. A.
    True
    B.
    False

  7. The unit of frequency is the hertz.

  8. A.
    True
    B.
    False

  9. Average value of a sine wave is 0.707 times the peak value.

  10. A.
    True
    B.
    False

  11. The length of a phasor represents the amplitude.

  12. A.
    True
    B.
    False

  13. A ramp is the type of waveform characterized by a non-linear increase or decrease in voltage or current.

  14. A.
    True
    B.
    False

  15. The instantaneous value is the voltage or current value of a waveform at its peak.

  16. A.
    True
    B.
    False

  17. Duty cycle is the characteristic of a pulse waveform that indicates the high time versus the low time.

  18. A.
    True
    B.
    False

  19. Periodic is characterized by a repetition at fixed time intervals.

  20. A.
    True
    B.
    False