Communication Systems In a TV receiver antenna the length of reflector rod Is more than that of dipole Is less than that of dipole May be equal, more or less than that of dipole Is the same as that of dipole Is more than that of dipole Is less than that of dipole May be equal, more or less than that of dipole Is the same as that of dipole ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 3 kHz 1 kHz 50 kHz 10 kHz 3 kHz 1 kHz 50 kHz 10 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as Low frequency High frequency Medium frequency Very high frequency Low frequency High frequency Medium frequency Very high frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In EM waves, polarization Is always vertical in an isotropic medium Is caused by reflection Results from longitudinal nature of waves Is due to transverse nature of waves Is always vertical in an isotropic medium Is caused by reflection Results from longitudinal nature of waves Is due to transverse nature of waves ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 100 ohm 300 ohm 500 ohm 1000 ohm 100 ohm 300 ohm 500 ohm 1000 ohm ANSWER DOWNLOAD EXAMIANS APP
Communication Systems DVD uses 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 Laser beam for recording and video head for playback Laser beam for both recording and playback ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS