Communication Systems The direction of rotation of a CD is Clockwise or anticlockwise depending on frequency of data stored Anticlockwise Mostly anticlockwise but some times clockwise Clockwise Clockwise or anticlockwise depending on frequency of data stored Anticlockwise Mostly anticlockwise but some times clockwise Clockwise ANSWER DOWNLOAD EXAMIANS APP
Communication Systems When the length of antenna is a whole wavelength The radiation is maximum in all directions The radiation at right angles is zero The radiation is zero in all directions The radiation at right angles is maximum The radiation is maximum in all directions The radiation at right angles is zero The radiation is zero in all directions The radiation at right angles is maximum ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Microbending Attenuation in glass Impurities Stepped index operation Microbending Attenuation in glass Impurities Stepped index operation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 455 kHz 106 kHz 10.7 MHz 1.07 MHz 455 kHz 106 kHz 10.7 MHz 1.07 MHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Leak type bias is used in plate modulated class C amplifier to Prevent excessive grid current Increase the bandwidth Prevent over modulation Prevent tuned circuit damping Prevent excessive grid current Increase the bandwidth Prevent over modulation Prevent tuned circuit damping ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Full duplex operation permits transmission in both directions at the same time. True False True False ANSWER DOWNLOAD EXAMIANS APP
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