ECE :: Electromagnetic Field Thoery
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Microwave signals follow the curvature of the earth and the phenomenon is known as
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In a carbon-zinc cell the function of the depolarizer is that
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The effective height of an antenna is slightly greater than physical height because
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A long periodic antenna is a
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In a four element Yagi-Uda antenna
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The statement that the line integral of magnetic field about any closed path is exactly equal to the direct current enclosed by that path, is known as
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Transverse magnetic (TM) waves have
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UHF and microwaves in the frequency range 300 MHz to 30 GHz can be best transmitted using __________ propagation
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A.
magnetic field component H in the direction of propagation
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B.
electric field component E in the direction of propagation
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C.
magnetic field component H in the direction of propagation and no component of electric field E in this direction
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D.
electric field component E in the direction of propagation and no component of magnetic field H in this direction
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