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The plane of a square loop of wire with edge length a = 0.200 m is perpendicular to the Earth’s magnetic field at a point where B = 15.0 /T, as shown in Figure P31.55. The total resistance of the loop and the wires connecting it to a sensitive ammeter is 0.500 (. If the loop is suddenly collapsed by horizontal forces as shown, what total charge passes through the ammeter? |
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