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