Physics Radio waves sent out by a radio stations are reflected by Stratosphere Troposphere Mesosphere Ionosphere Stratosphere Troposphere Mesosphere Ionosphere 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 decreases noise Increases bandwidth and increases noise Decreases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and decreases noise Increases bandwidth and increases noise Decreases bandwidth and increases noise Decreases bandwidth and decreases noise ANSWER DOWNLOAD EXAMIANS APP
Physics The sharpness of a television image is termed as its Clarity Graphics Resolution Colour Clarity Graphics Resolution Colour ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Optical fiber Microwave All are operating at nearly the same propagation speed Radio wave Optical fiber Microwave All are operating at nearly the same propagation speed Radio wave ANSWER DOWNLOAD EXAMIANS APP
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