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If 4xx10^(-3) J of work is done in movin...

If `4xx10^(-3)` J of work is done in moving a particles carrying a charge of `16xx10^(-6)` C from inifinity to point P. What will be the potential at a point ?

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The potential at a point is work done to carry unit from one point to another `=(4xx10^(-3))//(16xx10^(-6)C)=250V`
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