8556 Sun 1:51 PM edugen willeyplus.com en Assignment FULL SCREEN PRINTER VERSION

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8556 Sun 1:51 PM edugen willeyplus.com en Assignment FULL SCREEN PRINTER VERSION Chapter 30, Problem 039 The magnetic field of a cylindrical magnet that has a pole-face diameter of 3.2 cm can be varied sinusoidally between 28.0 T and 31 T at a frequency of 22 Hz. At a radial distance of 1.4 cm, what is the amplitude of the electric field induced by the variation? Units the tolerance is +/-296 click if you would like to show work for this question: Open Show Work Question Attempts: 0 of 5 used SAVE FOR LATER SUBMIT ANSWER Problem copyright o 2000-20i by Sohn wiiev s sons, inc o reated panies. Aii rights reserved Version 4.22.2.9 Sons, All Rights Reserved A Division of lebo sons, 0-1200

Explanation / Answer

Here , for the magnetic field

B = 29.5 + 1.5 * sin(2pi * 22 t)

Now, for the electric field

2pi * r * E = pi * r^2 * dB/dt

for amplitude of electric field

Emax = 1.5 * 22 * 2pi/(2) * 0.014

Emax = 1.45 N/C

the amplitude of electric field is 1.45 N/C

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