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Shrinking Loop. A circular loop of flexible iron wire has an initial circumference of 162 cmcm...

Shrinking Loop. A circular loop of flexible iron wire has an initial circumference of 162 cmcm , but its circumference is decreasing at a constant rate of 11.0 cm/scm/s due to a tangential pull on the wire. The loop is in a constant uniform magnetic field of magnitude 0.700 TT , which is oriented perpendicular to the plane of the loop. Assume that you are facing the loop and that the magnetic field points into the loop.

Part A

Find the magnitude of the emf EEEMF induced in the loop after exactly time 9.00 s has passed since the circumference of the loop started to decrease.

Express your answer numerically in volts to three significant figures.

Part B

Find the direction of the induced current in the loop as viewed looking along the direction of the magnetic field.

clockwise
counterclockwise
science   physics   
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