The phase difference between induced emf and magnetic flux linked with a coil rotating in a uniform magnetic field is:
A
$$ \frac{\pi}{4} $$
B
$$ \frac{\pi}{2} $$
C
$$ \frac{\pi}{3} $$
D
$$ \pi $$
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Solution
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Correct option is B. $$ \frac{\pi}{2} $$ For a coil rotating in uniform magnetic field, the induced emf is always perpendicular to the magnetic field. So, the angle between them is $$ 90^o $$.
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