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Physics, 17.07.2020 18:01, ginachuquiano450
The earths magnetic field varies from point to point in space. Does it also change with time? If so, on what time scale does it change appreciably
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Physics, 22.06.2019 19:00, deonnaturner68p7hz7y
The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.
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The earths magnetic field varies from point to point in space. Does it also change with time? If so,...
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