What is the amount of work done in moving a point charge q around a circular arc of radius r at the centre of which another point charge q is located?
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The work is Zero.
The electric force is conservative so you can write down a potential energy for the charge.
Since the physics is spherically symmetric so is the potential energy. Thus it requires Zero work to move the charge.
Another way to look at it is that the force point either towards or away from the center charge.
Moving in a circular arc isperpendicular to the force and thus requires no work
The electric force is conservative so you can write down a potential energy for the charge.
Since the physics is spherically symmetric so is the potential energy. Thus it requires Zero work to move the charge.
Another way to look at it is that the force point either towards or away from the center charge.
Moving in a circular arc isperpendicular to the force and thus requires no work
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