An electromagnetic wave score has a wavelength of 21 cm and an amplitude of 12 V/m....

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Answer 1

Answer #1

Note that E may be in -ve y direction, but there is no option of -j. So option b is correct.

. As wave is wave is transverse wave E = to cos (R. % - wt) 20 21 em, to = 12 nV/m is propagating along along ao direction so

Answer 2

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