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The power lines that run through your neighborhood carry alternating currents that reverse direction 120 times per second. As the current changes, so does the magnetic field around a line. Suppose you wanted to put a loop of wire up near the power line to extract power by "tapping" the magnetic field.
a. Sketch a picture of how you would orient the coil of wire next to a power line to develop the maximum emf in the coil.
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