1 Joule per coulomb is the same as _____.

1 W

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1 V

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1 A

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1 Ω

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Solution

The correct option is B $1 V$
Joule is the unit of work done in case of electric current, and coulomb is the unit of charge. Hence, joule/coulomb will be the unit of potential difference as it is the work done in moving unit charge from one point to other. So, 1 joule per coulomb = 1 volt = $1 V$ .

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Which of the following statements correctly defines a volt?
(a) a volt is a joule per ampere.
(b) a volt is a joule per coulomb.

The quantity which is denoted by joule/coulomb is

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