ECE :: Electromagnetic Field Thoery
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When a particular mode is excited in a waveguide, these appears an extra electric components in the direction of propagation. The resulting mode is
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An antenna has a gain of 44 dB. Assuming that the main beam of the antenna is circular in cross-section the beamwidth will be
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In cellphone communication base antennas are connected to other base antennas in
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The I/P impedance of a
long short circuited section of a loss less transmission line is -
For frequencies upto 1650 kHz __________ antenna is used
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Due to which of the following reasons, the ground wave eventually disappears, as one moves away from the transmitter?
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A loop antenna may be of
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Velocity of the wave when it passes from air into sphere
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