ECE :: Electromagnetic Field Thoery
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Laplacian of a scalar function v is
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The wave propagation occurs without attenuation in case of a
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A vertical wire of 1 meter length carries a current of 1 A at 10 MHz. The total radiated power is nearly
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A plane EM wave is travelling in an unbound loss less dielectric having μy = 1 and εy = 4, the time average Poynting vector of the wave is 5 W/m3 . The phase velocity vp (assuming velocity of light as 3 x 108 m/sec) is
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The phase velocity in a coaxial line is
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The ionosphere plays a significant role in radio wave propagation at
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