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 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 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 Graphics Clarity Resolution Colour Graphics Clarity Resolution 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
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