Communication Systems In a TV receiver antenna the length of reflector rod Is less than that of dipole Is the same as that of dipole Is more than that of dipole May be equal, more or less than that of dipole Is less than that of dipole Is the same as that of dipole Is more than that of dipole May be equal, more or less than that of dipole ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If output power of a radio receiver is doubled, its volume is increased by __________ dB. 3 1 -3 2 3 1 -3 2 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 75 kHz 70 kHz 65 kHz 80 kHz 75 kHz 70 kHz 65 kHz 80 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as Very high frequency Low frequency High frequency Medium frequency Very high frequency Low frequency High frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems DVD uses Laser beam for both recording and playback Video head for recording and laser beam for playback Laser beam for recording and video head for playback None of these Laser beam for both recording and playback Video head for recording and laser beam for playback Laser beam for recording and video head for playback None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The colour of an object is decided by The reflected colour The wavelength transmitted through it Reflected colour for opaque object and wavelength transmitted through it for transparent objects None of these The reflected colour The wavelength transmitted through it Reflected colour for opaque object and wavelength transmitted through it for transparent objects None of these ANSWER DOWNLOAD EXAMIANS APP
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