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 Both a & b 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Increases bandwidth and decreases noise Decreases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP
Physics The sharpness of a television image is termed as its Graphics Colour Clarity Resolution Graphics Colour Clarity Resolution ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Radio wave 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 ANSWER DOWNLOAD EXAMIANS APP
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