Communication Systems Under ordinary circumstances, impulse noise can be reduced in AM only FM only Both AM and FM None of these AM only FM only Both AM and FM None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In practical commercial FM system, channel bandwidth is 88 MHz 150 kHz 100 kHz 108 MHz 88 MHz 150 kHz 100 kHz 108 MHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as Medium frequency Low frequency High frequency Very high frequency Medium frequency Low frequency High frequency Very high frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The modulation index of an FM is changed from 0 to 1. How does the transmitted power change? Gets doubled Gets halved Remains unchanged Gets increased by 50 percent Gets doubled Gets halved Remains unchanged Gets increased by 50 percent ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is a digital modulation technique? PSK PCM All DM PSK PCM All DM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems When the length of antenna is a whole wavelength The radiation at right angles is zero The radiation at right angles is maximum The radiation is maximum in all directions The radiation is zero in all directions The radiation at right angles is zero The radiation at right angles is maximum The radiation is maximum in all directions The radiation is zero in all directions ANSWER DOWNLOAD EXAMIANS APP
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