Communication Systems The direction of rotation of a CD is Clockwise or anticlockwise depending on frequency of data stored Mostly anticlockwise but some times clockwise Clockwise Anticlockwise Clockwise or anticlockwise depending on frequency of data stored Mostly anticlockwise but some times clockwise Clockwise Anticlockwise ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Low pass filter High pass filter Band stop filter Band pass filter Low pass filter High pass filter Band stop filter Band pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave None of these Is useful in discrimination between reception of adjacent beams Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave None of these Is useful in discrimination between reception of adjacent beams ANSWER DOWNLOAD EXAMIANS APP
Communication Systems DVD uses None of these Laser beam for recording and video head for playback Laser beam for both recording and playback Video head for recording and laser beam for playback None of these Laser beam for recording and video head for playback Laser beam for both recording and playback Video head for recording and laser beam for playback ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To reduce bandwidth To increase bandwidth To regulate oscillator I/P voltage To prevent overmodulation To reduce bandwidth To increase bandwidth To regulate oscillator I/P voltage To prevent overmodulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a given carrier wave, maximum undistorted power is transmitted when value of modulation is 0.8 0.5 1 0.8 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
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