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