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Shrinking Loop. A circular loop of flexible iron wire has an initial circumference of 167 cm...

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Physics

Shrinking Loop. A circular loop of flexibleiron wire has an initial circumference of 167 cm , but itscircumference is decreasing at a constant rate of 14.0 cm/s due toa tangential pull on the wire. The loop is in a constant uniformmagnetic field of magnitude 0.900 T , which is orientedperpendicular to the plane of the loop. Assume that you are facingthe loop and that the magnetic field points into the loop.

Find the magnitude of the emf E induced in the loop afterexactly time 9.00 s has passed since the circumference of the loopstarted to decrease. Express your answer numerically in volts tothree significant figures.

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4.0 Ratings (637 Votes)
The emf induced in a wire loop is given bywhere is the magnetic fluxat this case constant and    See Answer
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