Communication Systems To eliminate ghosts in the picture Twist the transmission line Connect a booster Change the antenna orientation of location Use a longer transmission line Twist the transmission line Connect a booster Change the antenna orientation of location Use a longer transmission line ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If output power of a radio receiver is doubled, its volume is increased by __________ dB. -3 2 1 3 -3 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? Delta modulation PWM PCM Differential PCM Delta modulation PWM PCM Differential PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Band stop filter Low pass filter Band pass filter High pass filter Band stop filter Low pass filter Band pass filter High pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is 16 1 8 15 16 1 8 15 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Series capacitance Shunt capacitance Resistance Inductance Series capacitance Shunt capacitance Resistance Inductance ANSWER DOWNLOAD EXAMIANS APP