Distinguish between:
Electric current & Potential difference

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Solution

Electric current Potential difference

The flow of electric charge per unit time is called electric current. The difference in potential between the positive and negative terminal of a cell is the potential difference of that cell.

The S.I. unit of electric current is ampere. The S.I. unit of potential difference volt.

Ammeter is used to measure electric current. Voltmeter is used to measure electric current.

Current is represented by: I=Q/t (iv) Potential difference is represented by: V=W/Q

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Electric current	Potential difference
The flow of electric charge per unit time is called electric current.	The difference in potential between the positive and negative terminal of a cell is the potential difference of that cell.
The S.I. unit of electric current is ampere.	The S.I. unit of potential difference volt.
Ammeter is used to measure electric current.	Voltmeter is used to measure electric current.
Current is represented by: I=Q/t	(iv) Potential difference is represented by: V=W/Q