A long straight wire carrying current to the left is just touching a circular loop carrying a current I1 = 9.4 A in the

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answerhappygod
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A long straight wire carrying current to the left is just touching a circular loop carrying a current I1 = 9.4 A in the

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A long straight wire carrying current to the left is justtouching a circular loop carrying a current I1 =9.4 A in the counterclockwise direction. Both lie in the sameplane.
How much current must be run in the long straight wire in orderfor its magnetic field to exactly cancel the magnetic field of thecircular wire at the center of the loop?
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