A guitar's steel string vibrates (see figure below). The component of magnetic field perpendicular to the area of a pickup coil nearby is given by B 50.0+ 3.20 sin 1 046mt where B is in milliteslas and t is in seconds. The circular pickup coil has 26 turns and radius 2.75 mm. Find the emf induced in the coil as a function of time. (Use the following as necessary: t. Let & be measured. millivolts with t measured in seconds.) 8--6.4955-10-3cos (1046mt) x

A guitar's steel string vibrates (see figure below). The component of magnetic field perpendicular to the area of a pickup coil nearby is given by B 50.0+ 3.20 sin 1 046mt where B is in milliteslas and t is in seconds. The circular pickup coil has 26 turns and radius 2.75 mm. Find the emf induced in the coil as a function of time. (Use the following as necessary: t. Let & be measured. millivolts with t measured in seconds.) 8--6.4955-10-3cos (1046mt) x

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter32: Faraday’s Law Of Induction

Section: Chapter Questions

Problem 11PQ: Suppose a uniform magnetic field is perpendicular to the 81211-in. page of your homework and a...

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A coil of area 0.100 m2 is rotating at 60.0 rev/s with the axis of rotation perpendicular to a 0.200-T magnetic field. (a) If the coil has 1 000 turns, what is the maximum emf generated in it? (b) What is the orientation of the coil with respect to the magnetic field when the maximum induced voltage occurs?
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If electric and magnetic field strengths vary sinusoidally in time at frequency 1.00 GHz, being zero at t=0, then E=E0sin2ft. (a) When are the field strengths next equal to zero? (b) 4Jhen do they reach their most negative value? (c) How much time is needed for them to complete one cycle?
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