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CGP EDU Academic Team
Published on: September 12, 2026
All electromagnetic wave is transporting energy in the negative z direction. At a certain point and certain time the direction of electric field of the wave is along positive y direction. What will be the direction of the magnetic field of the wave at that point and instant?
Text Solution
Verified by ExpertsThe correct answer is:
A
As, poynting vector
Given energy transport = negative z direction Electric field = positive y direction
Hence according to vector cross product magnetic field should be positive x direction.
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