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A point at some distance from a +0.60 μC charge has a value of electric potential equal to 10 kVIf the point were moved to four times its initial distance from the charge then what potential change would occur? Is it an increase or a decrease?

Important Questions on Electrostatics

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What is the electric potential at the centre of the triangle shown in the figure?

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Calculate the electric potential at the centre of the square shown in the figure.

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If the potential at a point P 1,1,1 is given by the relation Vp=x2-y2+2z, then calculate the electric field at P.
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For a point charge of +3.50 μC, what is the radius of the equipotential surface which is at a potential of 2.50 kV?
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A proton is moved 15 cm on a path parallel to the field lines of a uniform electric field of 2.0×105 V m-1. What are the possible changes in potential? Consider both cases of moving the proton along and against the field.
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Two spheres of radii R1 and R2 having equal charges are joined together with a copper wire. If V is the potential of each sphere after they are separated from each other, then the initial charge on both spheres was :

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Two conducting spheres of radii R1 and R2 are charged with charges Q1 and Q2, respectively. On bringing them in contact, there is,
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A particle in a certain conservative electric field has potential energy given by U=20xyz. The force exerted on it is: