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82 question Harmonics
correspondence course based on the 2005 NEC. Course #8258
- _____
is the sum of the product of each harmonic current squared and that
harmonic number squared for harmonics from the fundamental (60 Hz) to the
highest harmonic of any measurable consequence.
- X Factor
- Y Factor
- K Factor
- V Factor
- A
nonlinear load is one that opposes the applied voltage with constant
impedance, resulting in a current waveform that changes
in direct proportion to the sinusoidal change in the applied voltage.
A. True
B. False
- _____
is an example of a linear load.
- Resistance heating
- Incandescent lighting
- Electronic ballasts
- both a and b
- In
common electrical distribution systems in the United States, the fundamental
frequency is _____.
- 60 Hz
- 30 Hz
- 20 Hz
- 10 Hz
- A
linear load is one that does not oppose the applied voltage with constant
impedance.
A. True
B. False