Rap's latest activity
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RRap replied to the thread Finding potential difference in a circuit.VBF is the voltage drop from point B to point F and yes, that's correct.
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RRap replied to the thread Why does a fan cool you in a sealed room if it adds heat?.Evaporation of water will cool things down, and the fan promotes evaporation of perspiration, which cools you down. If you have a system...