A student coils a copper wire around a metal rod and attaches the ends of the wire to an multimeter. He quickly move a magnet past the coil and notes the resulting current. How could the student alter this apparatus to create a larger current? A. use a thinner wire B. use insulated wire C. increase the length of the rod that is used D. increase the number of times the wire is coiled around the rod

A student coils a copper wire around a metal rod and attaches the ends of the wire to an multimeter. He quickly move a magnet past the coil and notes the resulting current. How could the student alter this apparatus to create a larger current? A. use a thinner wire B. use insulated wire C. increase the length of the rod that is used D. increase the number of times the wire is coiled around the rod

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 68AP: Current flows along a thin, infinite sheet as shown in the accompanying figure. The current per unit...

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Question

A student coils a copper wire around a metal rod and attaches the ends of the wire to an multimeter. He quickly move a
magnet past the coil and notes the resulting current. How could the student alter this apparatus to create a larger current?
A. use a thinner wire
B. use insulated wire
C. increase the length of the rod that is used
D. increase the number of times the wire is coiled around the rod
Select an answer
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