Communication Systems If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz. 995 10 4.9 5 995 10 4.9 5 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In EM waves, polarization Results from longitudinal nature of waves Is always vertical in an isotropic medium Is due to transverse nature of waves Is caused by reflection Results from longitudinal nature of waves Is always vertical in an isotropic medium Is due to transverse nature of waves Is caused by reflection ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Inductance Shunt capacitance Series capacitance Resistance Inductance Shunt capacitance Series capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A modem is classified as low speed if data rate handled is Upto 250 bps Upto 400 bps Upto 100 bps Upto 600 bps Upto 250 bps Upto 400 bps Upto 100 bps Upto 600 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Stepped index operation Impurities Attenuation in glass Microbending Stepped index operation Impurities Attenuation in glass Microbending ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 1000 ohm 300 ohm 100 ohm 500 ohm 1000 ohm 300 ohm 100 ohm 500 ohm ANSWER DOWNLOAD EXAMIANS APP
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