Some work is done to move a charge Q from infinity to a point A in space. Thepotential of the
point A is given as V. What is the work done to move this charge from infinity in terms of Q and
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Answer. Electric potential (V) at a point is defined as the work done (U) required to bring a charge (q) from infinity to that point divided by the charge: V = U/q. With this definition, V = 0 at infinity. Important: electric potential is a scalar..
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Electric potential (V) at a point is defined as the work done (U) required to bring a charge (q) from infinity to that point divided by the charge: V = U/q. With this definition, V = 0 at infinity. Note: potential difference is a scalar quantity so only the magnitude matters
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