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23 Nov 2019
A light beam traveling in the negative z direction has amagneticfield B =(3.02 x 10-9 T) x +(5.28 x10-9 T) y at a given instant time. The electricfield inthe beam has a magnitude of 1.82 N/C at the same time. a)Does theelectric field at this time have a z component that ispositive,negative, or zero? Explain. b) Write E interms ofunit vectors.
A light beam traveling in the negative z direction has amagneticfield B =(3.02 x 10-9 T) x +(5.28 x10-9 T) y at a given instant time. The electricfield inthe beam has a magnitude of 1.82 N/C at the same time. a)Does theelectric field at this time have a z component that ispositive,negative, or zero? Explain. b) Write E interms ofunit vectors.
