A Wire Loop of Radius 0

question 22

Multiple Choice

A wire loop of radius 0.250 m is placed in a uniform magnetic field of magnitude 0.740 T. The field is directed perpendicular to the plane of the loop.
-If the field reverses its direction,and its magnitude changes to 0.100 T in time 1.06 s,what is the magnitude of the average induced emf in the loop during this time?

• A)156 mV
• B)119 mV
• C)185 mV
• D)741 mV

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