ch33-p009 - 9. (a) The amplitude of the magnetic field is...

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9. (a) The amplitude of the magnetic field is 99 8 2.0V/m 6.67 10 T 6.7 10 T. 2.998 10 m/s m m E B c −− == = × × × (b) Since the -wave E G oscillates in the z direction and travels in the x direction, we have B x = B z = 0. So, the oscillation of the magnetic field is parallel to the y axis. (c) The direction (+ x ) of the electromagnetic wave propagation is determined by EB × GG . If the electric field points in +
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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