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The plane of a square loop of wire with edge length a = 0.20 m is perpendicular to the earth’s magnetic field at a point where B = 15x10⁻⁶ Tesla. The total resistance of the loop and the wires connecting it to the galvanometer is 0.5 ohm. If the loop is suddenly collapsed by horizontal force, what is the total charge passes through the galvanometer?
Sagot :
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