College Physics Quiz
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ELECTROMAGNETIC INDUCTION
Question 1
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A loop rotates in a uniform magnetic field; how does loop orientation relative to
B
⃗
\vec B
B
influence flux through it?
A
Flux is maximum when
B
⃗
\vec B
B
is parallel to the loop's plane.
B
Flux is
Φ
=
B
A
cos
θ
\Phi = BA\cos\theta
Φ
=
B
A
cos
θ
, set by the angle to the area vector.
C
Flux depends only on wire length, not orientation.
D
Flux is maximum when
B
⃗
\vec B
B
is perpendicular to the area vector.
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