Physics Radio waves sent out by a radio stations are reflected by Troposphere Stratosphere Ionosphere Mesosphere Troposphere Stratosphere Ionosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Bandwidth is the The rate of data transfer A measure of the width of a range of frequencies None of these Both a & b The rate of data transfer A measure of the width of a range of frequencies None of these Both a & b ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Increases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP
Physics The sharpness of a television image is termed as its Colour Resolution Clarity Graphics Colour Resolution Clarity Graphics ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Radio wave All are operating at nearly the same propagation speed Optical fiber Microwave Radio wave All are operating at nearly the same propagation speed Optical fiber Microwave ANSWER DOWNLOAD EXAMIANS APP