For items 2 and 3, consider an EM wave in vacuum which has an electric field given by Ē(r, t) = (600 V/m) cos (2x: 107 x + wt k What is the magnetic field expression of the EM wave? A. B(x, t) = (2 × 10–6 T) cos (2 x 107 rad x + wt (+j) COS m B. B(x, t) = (2 × 10-6 T) cos rad x + wt (+k) 2 x 107 C. B(x, t) = (1.8 × 1011 T) cos 2 x 107 rad x + wt (-j) m D. B(x, t) = (1.8 × 1011 T) cos 2 x 107 rad x + wt (+k)
For items 2 and 3, consider an EM wave in vacuum which has an electric field given by Ē(r, t) = (600 V/m) cos (2x: 107 x + wt k What is the magnetic field expression of the EM wave? A. B(x, t) = (2 × 10–6 T) cos (2 x 107 rad x + wt (+j) COS m B. B(x, t) = (2 × 10-6 T) cos rad x + wt (+k) 2 x 107 C. B(x, t) = (1.8 × 1011 T) cos 2 x 107 rad x + wt (-j) m D. B(x, t) = (1.8 × 1011 T) cos 2 x 107 rad x + wt (+k)
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Transcribed Image Text:For items 2 and 3, consider an EM wave in vacuum which has an electric field given by
[(e
rad
Ē(r, t) = (600 V/m) cos (2 x
+ wt k
3.
What is the magnetic field expression of the EM wave?
A. B(x, t) = (2 x 10–6 T) cos
rad
x + wt (+j)
B. B(x,t) = (2 × 10-6 T) cos (2 x 107:
[(e
rad
x + wt (+K)
m
С. В(а, t) — (1.8x 1011 T) сos
2 x 107
rad
x + wt (-j)
D. B(x,t) = (1.8 × 1011 T) cos
2 x 107
rad
x + wt (+k)
m
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