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http://www.hrmvideo.com A collection of clips from our extensive catalog of educational videos. Transcript provided by YouTube (unedited) 0:08 [Music] 0:15 you 0:40 [Music] 1:20 you 1:31 when you have a headache you take this 1:34 when you have an upset stomach 1:36 you take that when you’re tired you take 1:39 this they seem clean and safe they come 1:43 by way of an authority that we generally 1:45 trust kids are socialized into taking 1:48 these drugs they see everybody taken 1:50 from their parents their grandparents 1:52 their baby sister when you take a drug 1:55 something gets fixed it’s in every 1:58 magazine it’s on television every single 2:00 day they’re there they’re in all our 2:03...

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Voltage is the force that pushes current around a circuit. Imagine a battery being like a pump, pushing the current around the circuit. A more complicated way of defining it is that voltage is the difference in electrical energy between two points on a circuit. You can buy batteries with different voltages or use multiple batteries to increase the voltage in a circuit. The bigger the voltage the more current flows around a circuit. How is voltage measured? Voltage is measured in volts. The voltage of a standard AA battery is 1.5V. The voltage of household wiring varies around the world but is 230V in the UK and 120V in the US. When we made a potato battery we used...