The Magnetic Flux Through a Certain Coil Is Given By \phi

question 35

Multiple Choice

The magnetic flux through a certain coil is given by
$\phi$ _m = (1/50 $\pi$ ) cos 100 $\pi$ t
Where the units are SI. The coil has 100 turns. The magnitude of the induced EMF when t = 1/200 s is

• A) 100 V
• B) 200 V
• C) zero
• D) 2/ \(\pi\) V
• E) 1/50 \(\pi\)V

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