ECE :: Electromagnetic Field Thoery
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A Yagi antenna has a driven antenna
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An electric charge Q is placed in a dielectric medium which of the following quantities are independent of the dielectric constant ε of the medium
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A square corner reflector is used in
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The wave in wave guide has
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While determining antenna height for terrestrial microwaves links, the effect of refraction from the atmosphere is taken care of by considering the effective curvature of the earth to be
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A T.V. station works at 300 MHz and radiates 100 kW of power. This signal received at a distance of 200 km will be
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The power gain of a half-wave dipole with respect to an isotropic radiator is
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In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to
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times the radius of the earth (Re) 
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