Estimates: the width of your head is about 20 cmcm, the diameter of the phone speaker that goes next to your ear is 3.0 cmcm. Model the current in the speaker as a current loop with the same diameter as the speaker. Use these values to estimate the magnetic field generated by your phone midway between the ears when it is held near one ear. Express your answer with the appropriate units.
Estimates: the width of your head is about 20 cmcm, the diameter of the phone speaker that goes next to your ear is 3.0 cmcm. Model the current in the speaker as a current loop with the same diameter as the speaker. Use these values to estimate the magnetic field generated by your phone midway between the ears when it is held near one ear. Express your answer with the appropriate units.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter30: Magnetic Fields And Forces
Section: Chapter Questions
Problem 19PQ
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Estimates: the width of your head is about 20 cmcm, the diameter of the phone speaker that goes next to your ear is 3.0 cmcm.
Model the current in the speaker as a current loop with the same diameter as the speaker. Use these values to estimate the magnetic field generated by your phone midway between the ears when it is held near one ear.
Express your answer with the appropriate units.
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