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A wire carrying a current of 4.00 A is to be formed into a circular loop...

A wire carrying a current of 4.00 A is to be formed into a circular loop of one turn. If the required value of the magnetic field at the center of the loop is 11.0

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Answer #1

B = \mu0 n i r / 2 => 11.0x10-6 = 4\pix10-7x1x4.00xr / 2 =>r = 4.376m.

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