what is the si unit of potential difference? name the device used two measure the potential difference?
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Volt. The volt is the unit of electric potential difference—electric potential difference is also known as voltage. The size of 1 volt is officially defined as the potential difference between two points of a wire carrying a current of 1 ampere when the power dissipated in the wire is 1 watt.
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voltmeter
Answer: The standard metric unit on electric potential difference is the volt, abbreviated V. A voltmeter is connected in parallel with whatever device it is measuring. A parallel connection is used because objects in parallel experience the same potential difference
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