Question: At one instant the E and B fields at one point of an electromagnetic wave are E = ( 2 0 0 i + 3

At one instant the E and B fields at one point of an electromagnetic wave are E =(200i +300j -50k) V/m and B = B0(7.3i -7.3j +ak) muT. a) What is the value of a? b) What is the value of B0? c) What is the Poynting vector at this time and position?

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