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