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• Potential difference - Wikipedia, the free encyclopedia

  In physics, the potential difference or p.d. between two points is the amount of work that would need to be done on a unit electric charge to move it from one point to the other ...

• Potential Difference - Digital Wiseguys - Web design, development ...

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• Voltage - Wikipedia, the free encyclopedia

  Voltage (sometimes also called electric or electrical tension) is the difference of electrical potential between two points of an electrical or electronic circuit, expressed in ...