The frequency of direct current (D.C.) is.
0 Hz
75Hz
25 Hz
100Hz

25 Hz

0 Hz

75Hz

100Hz

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Answer is A.

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The frequency of direct current (D.C.) is.0 Hz75Hz25 Hz100Hz

Answer is A.

The frequency of direct current (D.C.) is.
0 Hz
75Hz
25 Hz
100Hz