consider an EM wave in vacuum which has an electric field given by Ē(x,t) = (600 V/m) cos rad |x+ m k What is the magnetic field expression of the EM wave? rad A. . B(r,t) = (2 × 10-6T) cos (2 x 107 ) x+ wt (+i) m B. B(x,t) = (2 × 10–6 T) cos (2 x rad |x+wt (+k) m C. B(x,t) = (1.8 × 1011 T) cos (2 x 1 rad х 10 m |x+ wt|(-j) . B(r.1) = (1.8 × 10" T)co(2× 10" ) - + u|(+k) rad D. m
consider an EM wave in vacuum which has an electric field given by Ē(x,t) = (600 V/m) cos rad |x+ m k What is the magnetic field expression of the EM wave? rad A. . B(r,t) = (2 × 10-6T) cos (2 x 107 ) x+ wt (+i) m B. B(x,t) = (2 × 10–6 T) cos (2 x rad |x+wt (+k) m C. B(x,t) = (1.8 × 1011 T) cos (2 x 1 rad х 10 m |x+ wt|(-j) . B(r.1) = (1.8 × 10" T)co(2× 10" ) - + u|(+k) rad D. m
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Transcribed Image Text:consider an EM wave in vacuum which has an electric field given by
Ē(x, t) = (600 V /m) cos
rad
x + wt k
m
What is the magnetic field expression of the EM wave?
A. B(x,t) = (2 × 10–6 T) cos | (2 x 107
x + wt (+j)
m
B. B(x,t) = (2 × 10–6 T) cos
2 x 107
rad
x + wt|(+k)
m
C. B(x, t) = (1.8 × 101 T) cos
2 x 107.
rad
x + wt|(-j)
m
D. B(x,t) = (1.8 × 1011 T) cos
rad
x +wt (+k)
2 × 107
m
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