Apply who will hear the sound of an approaching boat first : this driver or his friends above the water?
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Ripple factor: Ripple factor is a measure of effectiveness of a rectifier circuit. It is defined as the ratio of RMS value of the AC component (ripple component) Irrms in the output waveform to the DC component VDC in the output waveform.
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The diver as sound travels faster through water than through air
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