A rectangular coil in the plane of the page has dimensions a = 46.00 m and b = 80. A long wire that carries a current I = 4.50 A is placed directly...

A rectangular coil in the plane of the page has dimensions a = 46.00 m and b = 80.00 m. A long wire that carries a current I = 4.50 A is placed directly above the coil. For what value of x is magnitude of the flux through the coil a minimum?