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Questions and Answers
What is the usual waveform of alternating current in most electric power circuits?
What is the usual waveform of alternating current in most electric power circuits?
- Sawtooth wave
- Sine wave (correct)
- Square wave
- Triangular wave
Why is electrical energy distributed as alternating current?
Why is electrical energy distributed as alternating current?
- DC voltage is more efficient for distribution
- AC voltage may be increased or decreased with a transformer (correct)
- DC voltage may be increased or decreased with a transformer
- AC voltage cannot be transformed
In what form is electric power delivered to businesses and residences?
In what form is electric power delivered to businesses and residences?
- Sinusoidal current
- Alternating current (AC) (correct)
- Direct current (DC)
- Triangular current
What type of signals are examples of alternating current?
What type of signals are examples of alternating current?
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In certain applications, such as guitar amplifiers, what types of waveforms are used?
In certain applications, such as guitar amplifiers, what types of waveforms are used?
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