Electronics - Alternating Current vs Direct Current

Exercise : Alternating Current vs Direct Current - True or False
1.
DC current flows in one direction, while ac current rises from zero to a maximum, then falls to zero in one direction, then rises to a maximum, then falls to zero in the opposite direction.
True
False
Answer: Option
Explanation:
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2.
A square and a rectangular waveform appear to have a step voltage transition.
True
False
Answer: Option
Explanation:
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3.
The duty cycle of a square wave with a pulse width of 3 mu.gifs and a period of 9 mu.gifs is 40%.
True
False
Answer: Option
Explanation:
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4.
The rms value of a sine wave is .707 x peak-to-peak value/2.
True
False
Answer: Option
Explanation:
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5.
DC current transfers better over longer distances than ac current.
True
False
Answer: Option
Explanation:
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