The alternating current in wide use in homes in North America is 60 cycles per second, or 60 Hz. How many times per minute does this current reverse its direction of travel?
A) 60 times.
B) 120 times.
C) 3600 times.
D) 7200 times.
E) none of these.

Question

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The Answer of The alternating current in wide use in homes in North America is 60 cycles per second, or 60 Hz. How many times per minute does this current reverse its direction of travel?
A) 60 times.
B) 120 times.
C) 3600 times.
D) 7200 times.
E) none of these.

The Alternating Current in Wide Use in Homes in North