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