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An electric line of forces in the x-y pl...

An electric line of forces in the x-y plane is given by the equation `x^2+y^2=1`. A particle with unit poistive charge, initially at rest at the point `x=1`, `y=0` in the x-y plane, will move along the circular line of force.

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F
Electric lines of force does not represent the path of the charged particle but tangent to the path at any point on the line shows the direction of electric force on it and it is not always necessary that motion of the particle is in the direction of force acting on it.
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