define electric potential and write its expression.
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The work done in moving a unit positive charge from infinitive to a point in an electric field is electric potential at that point. It is a scalar quantity and its S.I unit volt(V).
The work done in moving a unit positive charge from infinitive to a point in an electric field is electric potential at that point. It is a scalar quantity and its S.I unit volt(V).
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it is the product of current and resistance
V=IR
V=IR
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