p34_015 - 15. (a) The amplitude of the magnetic field in...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 15. (a) The amplitude of the magnetic field in the wave is Bm = Em 5.00 V/m = = 1.67 × 10−8 T . c 2.998 × 108 m/s (b) The intensity is the average of the Poynting vector: I = Savg = 2 Em (5.00 V/m)2 2 = = 3.31 × 10−2 W/m . −7 T · m/A)(2.998 × 108 m/s) 2 µ0 c 2(4π × 10 ...
View Full Document

This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

Ask a homework question - tutors are online