In this example, we use = BA cos o to solve for the strength of a magnetic field. A plane surface with area 2.0 cm² is placed in a uniform magnetic field that is oriented at an angle of 30° to the surface. (a) What is the angle o? (b) If the magnetic flux through this area is 0.54 mWb, what is the magnitude of the magnetic field?
In this example, we use = BA cos o to solve for the strength of a magnetic field. A plane surface with area 2.0 cm² is placed in a uniform magnetic field that is oriented at an angle of 30° to the surface. (a) What is the angle o? (b) If the magnetic flux through this area is 0.54 mWb, what is the magnitude of the magnetic field?
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Transcribed Image Text:In this example, we use = BA cos o to solve for the
strength of a magnetic field. A plane surface with area
2.0 cm² is placed in a uniform magnetic field that is
oriented at an angle of 30° to the surface. (a) What is the
angle o? (b) If the magnetic flux through this area is 0.54
mWb, what is the magnitude of the magnetic field?
18
=
B
30%
For the same B and A, find the angle at which the flux would have one half the value given above (.e., the angle
at which g2.7 x 10 Wb).
Express your answer in degrees.
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A
ΠΑΠ ΑΣΦ 4 A C
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60°
?
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