The frequency of direct current is ________ Options: A . &nbspZero B . &nbsp50 HZ C . &nbsp60 HZ D . &nbsp100 HZ

The frequency of direct current is _______

Question

The frequency of direct current is ________

Options:

A . Zero

B . 50 HZ

C . 60 HZ

D . 100 HZ

Answer: Option A

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