Communication Systems A buffer amplifier is A high gain D.C. amplifier None of these A double-tuned amplifier A cathode follower stage A high gain D.C. amplifier None of these A double-tuned amplifier A cathode follower stage ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Pulse Code Modulation system Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be reduced by decreasing the number of standard levels Quantising noise can be overcome by companding Large bandwidth is required Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be reduced by decreasing the number of standard levels Quantising noise can be overcome by companding Large bandwidth is required ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The colour of an object is decided by Reflected colour for opaque object and wavelength transmitted through it for transparent objects The reflected colour The wavelength transmitted through it None of these Reflected colour for opaque object and wavelength transmitted through it for transparent objects The reflected colour The wavelength transmitted through it None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For telegraphy the most commonly used modulation system is FSK Single tone modulation Two tone modulation PCM FSK Single tone modulation Two tone modulation PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems FM transmitting and receiving equipment as compared to AM equipment is Costly Cheaper Almost equally costly None of these Costly Cheaper Almost equally costly None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In practical commercial FM system, channel bandwidth is 100 kHz 150 kHz 108 MHz 88 MHz 100 kHz 150 kHz 108 MHz 88 MHz ANSWER DOWNLOAD EXAMIANS APP
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