The loop of wire with area of .2 m? shown is positioned in a uniform magnetic field. The magnetic field has a magnitude of 4 Tesla and is directed into the paper (-z or -k direction) as shown. The magnetic field decreases to .2 Tesla in .4 seconds. Calculate the emf induced in the loop by the changing magnetic flux. 四008 Indicate on the figure the direction of the current that is induced in the wire. Explain your reasoning for choosing the direction.

Glencoe Physics: Principles and Problems, Student Edition
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Author:Paul W. Zitzewitz
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Chapter24: Magnetic Fields
Section: Chapter Questions
Problem 83A
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The loop of wire with area of .2 m? shown is positioned in a uniform magnetic field.
The magnetic field has a magnitude of 4 Tesla and is directed into the paper (-z or -k
direction) as shown.
The magnetic field decreases to .2 Tesla in .4
seconds. Calculate the emf induced in the loop by
the changing magnetic flux.
四008
Indicate on the figure the direction of the current that
is induced in the wire. Explain your reasoning for
choosing the direction.
Transcribed Image Text:The loop of wire with area of .2 m? shown is positioned in a uniform magnetic field. The magnetic field has a magnitude of 4 Tesla and is directed into the paper (-z or -k direction) as shown. The magnetic field decreases to .2 Tesla in .4 seconds. Calculate the emf induced in the loop by the changing magnetic flux. 四008 Indicate on the figure the direction of the current that is induced in the wire. Explain your reasoning for choosing the direction.
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