Communication Systems In practical commercial FM system, channel bandwidth is 108 MHz 150 kHz 88 MHz 100 kHz 108 MHz 150 kHz 88 MHz 100 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Low pass filter Band pass filter High pass filter Band stop filter Low pass filter Band pass filter High pass filter Band stop filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The colour of an object is decided by The reflected colour None of these Reflected colour for opaque object and wavelength transmitted through it for transparent objects The wavelength transmitted through it The reflected colour None of these Reflected colour for opaque object and wavelength transmitted through it for transparent objects The wavelength transmitted through it ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The disadvantage of FM over AM is that Noise is very high for high frequency Large bandwidth is required High output power is needed High modulating power is needed Noise is very high for high frequency Large bandwidth is required High output power is needed High modulating power is needed ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of low level amplitude modulation system, the amplifiers following the modulated stage must be Non-linear devices Linear devices Harmonic devices Class C amplifiers Non-linear devices Linear devices Harmonic devices Class C amplifiers ANSWER DOWNLOAD EXAMIANS APP
Communication Systems DVD uses Laser beam for recording and video head for playback Laser beam for both recording and playback None of these Video head for recording and laser beam for playback Laser beam for recording and video head for playback Laser beam for both recording and playback None of these Video head for recording and laser beam for playback ANSWER DOWNLOAD EXAMIANS APP
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