As discussed is Problem 3.54, a positive charge located at a distance x from the infinite plane is equivalent to replacing it with a negative charge of equal magnitude at a distance x on the other side of the plane as shown in the figure.

When the charge is at a distance x then the force acting on the charge trying it pull it towards the conducting plane is given by,

The work done in moving it away to infinity is given by,

## Saturday, August 21, 2010

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If we write work energy equation , change in potential energy is same as work required . why do we get wrong answer

ReplyDeleteIf we write work energy equation , change in potential energy is same as work required . why do we get wrong answer

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