Physics What is found in frequency modulation ? Fixed frequency Change in frequency and dimension Fixed dimension Change in dimension only Fixed frequency Change in frequency and dimension Fixed dimension Change in dimension only ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Rectifiers Oscillators Amplifiers None of these Rectifiers Oscillators Amplifiers None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Sonometer Cathode ray oscilloscope P – n junction diode Spectrometer Sonometer Cathode ray oscilloscope P – n junction diode Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Radio frequency Satellite Infrared Microwave Radio frequency Satellite Infrared Microwave ANSWER DOWNLOAD EXAMIANS APP
Physics In a optical fibre cable, the signal is propagated along the Both core and cladding Surface and cladding Inner Core Cladding Both core and cladding Surface and cladding Inner Core Cladding ANSWER DOWNLOAD EXAMIANS APP