Physics Radio waves sent out by a radio stations are reflected by Mesosphere Troposphere Ionosphere Stratosphere Mesosphere Troposphere Ionosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Bandwidth is the 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 The rate of data transfer ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Decreases bandwidth and decreases noise Increases bandwidth and decreases noise Increases bandwidth and increases noise Decreases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and decreases noise Increases bandwidth and increases noise Decreases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP
Physics The sharpness of a television image is termed as its Graphics Clarity Resolution Colour Graphics Clarity Resolution Colour ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? 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 Radio wave ANSWER DOWNLOAD EXAMIANS APP