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Two parallel and coaxial current loops of radius a are placed a distance 2L apart. When you look along the axis at the loops, the current in one is clockwise, and counterclockwise in the other. At a point on the axis half way between the loops the magnetic field in T has magnitude
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REM Sleep
A sleep phase characterized by rapid eye movement, during which vivid dreams commonly occur.
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A sleep phase characterized by rapid eye movements, more dreaming and bodily movement, and faster pulse and breathing.
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