Q. 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?
Q. Four point massess of 3.6 kg each are arranged in a square on massless rods. The length of a side of a squareis d=0.34m. (a) what is the rotational inertia for rotation about an axis passing through masses A and C.? (c) What is the rotational inertia for rotation about an axis passing through the center of the square and perpendicular to the plane of the square.