Communication Systems The frequency range of 300 kHz to 3000 kHz is known as Medium frequency Low frequency Very high frequency High frequency Medium frequency Low frequency Very high frequency High frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 113 80.9 102.3 70.2 113 80.9 102.3 70.2 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In practical commercial FM system, channel bandwidth is 108 MHz 150 kHz 100 kHz 88 MHz 108 MHz 150 kHz 100 kHz 88 MHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Leak type bias is used in plate modulated class C amplifier to Prevent tuned circuit damping Increase the bandwidth Prevent excessive grid current Prevent over modulation Prevent tuned circuit damping Increase the bandwidth Prevent excessive grid current Prevent over modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers modulated stage must be Harmonic devices Class C amplifiers Non-linear devices Linear devices Harmonic devices Class C amplifiers Non-linear devices Linear devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The direction of rotation of a CD is Mostly anticlockwise but some times clockwise Clockwise Clockwise or anticlockwise depending on frequency of data stored Anticlockwise Mostly anticlockwise but some times clockwise Clockwise Clockwise or anticlockwise depending on frequency of data stored Anticlockwise ANSWER DOWNLOAD EXAMIANS APP
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