Tardigrade
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Tardigrade
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Physics
As the coil rotates in a magnetic field B, the effective area of the loop (the face perpendicular to the field) is
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Q. As the coil rotates in a magnetic field $B$, the effective area of the loop (the face perpendicular to the field) is
Electromagnetic Induction
A
$A \cos \theta$
B
$A \sec \theta$
C
$A \tan \theta$
D
$A \cot \theta$
Solution:
Correct answer is (a) $A \cos \theta$
