2006-09-23 05:35:15 · 5 answers · asked by manno 1 in Science & Mathematics ➔ Engineering
Do you mean direct current, as in "A DC" for "amperes of direct current?" Direct current, by definition, has no time period; it's constant, not periodic. But AC, or alternating current, runs into US homes at 60 Hz. The period of a 60 Hz frequency is .0167 s. Most of the world uses either 60 Hz or 50 Hz (period = .02 s).
2006-09-23 05:40:54 · answer #1 · answered by DavidK93 7 · 0⤊ 0⤋
Assuming the voltage does not change values without changing polarity (that still is dc) the time peroid is infinity.
2006-09-23 05:37:52 · answer #2 · answered by Anonymous · 0⤊ 0⤋
If you mean District of Columbia, they are in the Eastern Time Zone.
2006-09-23 05:37:52 · answer #3 · answered by redunicorn 7 · 0⤊ 0⤋
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2016-10-01 07:00:37 · answer #4 · answered by ? 4 · 0⤊ 0⤋
eastern
2006-09-23 05:36:12 · answer #5 · answered by Anonymous · 0⤊ 1⤋