A circular area with a radius of 7.10 cm lies in the x - y plane. A) What is the

Question

A circular area with a radius of 7.10 cm lies in the x-y plane.

A) What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B = 0.219 T that points in the +z direction?

B) What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B = 0.219 T that points at an angle of 53.0 from the +zdirection?

C) What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B = 0.219 T that points in the +y direction?

Explanation / Answer

A) phi = B*A*cos(0) = 0.219*pi*r^2 = 0.219*3.142*0.071^2 = 0.003468 Wb

B) phi = B*A*cos(53) = 0.219*pi*r^2*cos(53) = 0.219*3.142*0.071^2*cos(53) = 0.002087Wb

C) phi = B*A*cos(90) = 0 Wb

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