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Electromagnetic Field Theory

Q1:
The magnetic field intensity vector of a plane wave is given by (x, y, z, t) = 10 sin (5000t + 0.004x + 30 ), where denotes unit vector in y direction the wave is propagating with a phase velocity.

A 5 x 104 m/sec

B -3 x 108 m/sec

C -1.25 x 107 m/sec

D 3 x 108 m/sec

ANS:C - -1.25 x 107 m/sec

(x, y, z, t) = 10 sin (5000t + 0.004x + 30) Wave is propagating in - ve direction, hence v = - 1.25 x 107 m/sec.



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