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## Main Question or Discussion Point

is it true that the voltage at a point means the quantity of charge at that point?if not then what is voltage?

thanks

thanks

- Thread starter amaresh92
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is it true that the voltage at a point means the quantity of charge at that point?if not then what is voltage?

thanks

thanks

- #2

tiny-tim

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no, voltage is ais it true that the voltage at a point means the quantity of charge at that point?if not then what is voltage?

thanks

it's the difference in electric potential between two points

(and since electric potential = potential energy per charge, that means it's the difference in potential energy between two points,

from the work energy theorem that means that the work done moving a charge q through a voltage difference V is the change in potential energy: Vq

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i am not able to understand the term electric potential?Is electric potential and voltage means same?hi amaresh92!

no, voltage is adifferencebetweentwopoints …

it's the difference in electric potential between two points

(and since electric potential = potential energy per charge, that means it's the difference in potential energy between two points,for a unit charge)

from the work energy theorem that means that the work done moving a charge q through a voltage difference V is the change in potential energy: Vq

thanks.

- #4

tiny-tim

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yes, voltage = potential difference = difference in electric potential = difference in potential energy per electric chargeIs electric potential and voltage means same?

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