Communication Systems When the length of antenna is a whole wavelength The radiation is zero in all directions The radiation is maximum in all directions The radiation at right angles is zero The radiation at right angles is maximum The radiation is zero in all directions The radiation is maximum in all directions The radiation at right angles is zero The radiation at right angles is maximum ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in FM only Both AM and FM None of these AM only FM only Both AM and FM None of these AM only ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is used to generate PDM? JK flip-flop Schmitt trigger Monostable multi-vibrator Free running multi-vibrator JK flip-flop Schmitt trigger Monostable multi-vibrator Free running multi-vibrator ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be Statistically independent Uncorrelated Correlated Orthogonal Statistically independent Uncorrelated Correlated Orthogonal 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 15 8 16 1 15 8 16 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS