Current is the flow of ____ in a circuit. It is measured in Amps using an ____. In order for ____ to flow there must be a ____ circuit and there must also be something to push the charges like a ____ or battery. Voltage (or ____) refers to the amount of ____ the charges carry. It is measured in ____ using a voltmeter. The bigger the ____, the bigger the ____ in energy carried by the charges that return to the ____.

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