Physics Radio waves sent out by a radio stations are reflected by Troposphere Stratosphere Mesosphere Ionosphere Troposphere Stratosphere Mesosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Bandwidth is the 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 The rate of data transfer ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers 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 Increases bandwidth and decreases 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? Optical fiber Radio wave Microwave All are operating at nearly the same propagation speed Optical fiber Radio wave Microwave All are operating at nearly the same propagation speed ANSWER DOWNLOAD EXAMIANS APP
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