A Planar Electromagnetic Wave Is Propagating in the +X Direction

question 45

Multiple Choice

A planar electromagnetic wave is propagating in the +x direction. At a certain point P and at a given instant, the electric field of the wave is given by = (0.082 V/m) . What is the magnetic vector of the wave at the point P at that instant? (c = 3.0 × 10⁸ m/s)

• A) 0.27 nT
• B) -0.27 nT
• C) 0.27 nT
• D) 6.8 nT
• E) -6.8 nT

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