Q55
Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?
A.
The voltage remains at one polarity and at a steady level
B.
The voltage remains at one polarity but changes value periodically
AnswerC.
The voltage causes current to flow in two directions at the same time
D.
The voltage reverses polarity periodically
E.
None of the above
Answer: Option B
Solution
Answer: Option B
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