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A wire is bent into a 5.60 cm radius circular loop. What current is needed to cancel the Earth's magnetic field (50.0 μT) at the center of the loop? A

A wire is bent into a 5.60 cm radius circular loop. What current is needed to cancel the Earth's magnetic field (50.0 μT) at the center of the loop? A

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A wire is bent into a 5.60 cm radius circular loop. What current is needed to cancel the Earth's magnetic field (50.0 μT) at the center of the loop? A

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