A 13-cm-diameter circular loop of wire is placed in a 0.77-T magnetic field. Whe

Question

A 13-cm-diameter circular loop of wire is placed in a 0.77-T magnetic field. When the plane of the loop is perpendicular to the field lines, what is the magnetic flux through the loop? Express your answer to two significant figures and include tho appropriate units. Part B The plane of the loop is rotated until it makes a 38 angle with the field lines. What is the angle in the equation = BA cos 6 for this situation? Express your answer using two significant figures. Submit My Answers Give Up Part C What is the magnetic flux through the loop at this angle? Express your answer to two significant figures and include tho appropriate units.

Explanation / Answer

d =13 cm , r =6.5 cm, B =0.77 T

Part A: flux phi = BAcos(0) = 0.77*3.14*6.5*6.5*10^-4*1

phi = 0.010 Wb = 0.010 T.m^2

Part B:

theta = 90- 38 =52 degrees

Part C: phi = 0.77*3.14*6.5*6.5*10^-4*Cos(52)

phi = 0.0063 Wb =0.0063 T.m^2

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