A circular area with a radius of 6.80 cm lies in the xy plane. A. What is the ma

Question

A circular area with a radius of 6.80 cm lies in the xy plane.

A. What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B= 0.234 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= 0.234T that points at an angle of 53.5 Degrees from the +z direction?
C. What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B= 0.234T that points in the +y direction?

Explanation / Answer

magnetic flux = Bacos where is angle between area vector that is perpendicular (normal) to the surface and magnetic field

A. = 0.234 * A *cos0 = 3.39925 * 10^-3 T [area = 0.01452672 m2]

B. = 0.234 * A * cos53 = 2.0457 *10^-3 T

C. = 0.234 * A *cos90 = 0 T as cos90 = 0

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