# Question concerning a formula to calculate work

I have the formula W=q$$\Delta$$V. Where $$\Delta$$V is the change in electric potential, and q is a charge. Say I wanted to move a point charge some distance in an electric field (created by another point charge) and calculate the work associated with this movement. Does the q in the above equation relate to the point charge I'm moving, or the one that is creating the electric field?

I know V for a point charge is kq/r, and I would use the charge of the point charge I'm moving there.

Thanks.

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