Communication Systems A modem is classified as low speed if data rate handled is Upto 100 bps Upto 600 bps Upto 250 bps Upto 400 bps Upto 100 bps Upto 600 bps Upto 250 bps Upto 400 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems VSB modulation is preferred in TV because None of these It reduces the bandwidth requirement to half It avoids phase distortion at low frequencies It results in better reception None of these It reduces the bandwidth requirement to half It avoids phase distortion at low frequencies It results in better reception ANSWER DOWNLOAD EXAMIANS APP
Communication Systems To eliminate ghosts in the picture Change the antenna orientation of location Connect a booster Use a longer transmission line Twist the transmission line Change the antenna orientation of location Connect a booster Use a longer transmission line Twist the transmission line ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation. A is correct but R is wrong Both A and R are correct but R is not correct explanation of A A is wrong but R is correct Both A and R are correct and R is correct explanation of A A is correct but R is wrong Both A and R are correct but R is not correct explanation of A A is wrong but R is correct Both A and R are correct and R is correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a TV receiver antenna the length of reflector rod May be equal, more or less than that of dipole Is more than that of dipole Is less than that of dipole Is the same as that of dipole May be equal, more or less than that of dipole Is more than that of dipole Is less than that of dipole Is the same as that of dipole ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In practical commercial FM system, channel bandwidth is 100 kHz 88 MHz 108 MHz 150 kHz 100 kHz 88 MHz 108 MHz 150 kHz ANSWER DOWNLOAD EXAMIANS APP
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