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
C The voltage causes current to flow in two directions at the same time
D The voltage reverses polarity periodically
E None of the above

Correct Answer: The voltage remains at one polarity but changes value periodically

Bissoy MCQ
#Computer Science #Electronic Principles

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