At one instant, the electric and magnetic fields at one
Chapter 31, Problem 31.68(choose chapter or problem)
At one instant, the electric and magnetic fields at one point of an electromagnetic wave are E u = 1200 ni + 300 nj - 50 k n2 V/m and B u = B017.3 ni - 7.3 nj + a k n2 mT. a. What are the values of a and B0? b. What is the Poynting vector at this time and position?
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