Physics Radio waves sent out by a radio stations are reflected by Ionosphere Mesosphere Stratosphere Troposphere Ionosphere Mesosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics Bandwidth is the None of these A measure of the width of a range of frequencies The rate of data transfer Both a & b None of these A measure of the width of a range of frequencies The rate of data transfer Both a & b ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers 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 Decreases bandwidth and increases noise Increases bandwidth and decreases 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 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