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 None of these Both a & b A measure of the width of a range of frequencies The rate of data transfer None of these Both a & b A measure of the width of a range of frequencies The rate of data transfer ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Increases bandwidth and decreases noise Decreases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP
Physics The sharpness of a television image is termed as its Colour Graphics Resolution Clarity Colour Graphics Resolution Clarity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Radio wave 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 ANSWER DOWNLOAD EXAMIANS APP