What does voltage tell us?

The amount of difference (expressed in volts) determines how much potential energy exists to move electrons from one specific point to another. ... The greater the voltage in a circuit, the greater its ability to "push" more electrons and do work. Voltage/potential difference can be compared to water stored in a tank.

Explanation:

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as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper