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Physics, 19.05.2021 23:40 heavendl13
In the US Alternating Current is used. It has a frequency of 60 Hz. If you are looking at the waveform for AC how many wavelengths pass in 2 seconds?
A.24
B.240
C.60
D.120
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Answers: 2
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In the US Alternating Current is used. It has a frequency of 60 Hz. If you are looking at the wavefo...
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