A plane electromagnetic wave is travelling in the positive $X-$axis. At the instant shown electric field at the extremely narrow dashed rectangle is in the $-ve$ $z$ direction and its magnitude is increasing. Which diagram correctly shows the direction and relative magnitudes of magnetic field at the edges of rectangle :-
A plane electromagnetic wave is travelling in the positive $X-$axis. At the instant shown electric field at the extremely narrow dashed rectangle is in the $-ve$ $z$ direction and its magnitude is increasing. Which diagram correctly shows the direction and relative magnitudes of magnetic field at the edges of rectangle :-
- A
- B
- C
- D
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