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A charge Q is placed at the origin. The ...

A charge `Q` is placed at the origin. The electric potential due to this charge at a given point in space is `v`. The work done by an external force in bringing another charge q from infinity up to the point is

A

`(V)/(q)`

B

`Vq`

C

`V+q`

D

`V`

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The correct Answer is:
B
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DC PANDEY-ELECTROSTATIC POTENTIAL AND CAPACITORS-(A) Chapter exercises
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  7. Identify the false statement

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  9. An electron enters in high potential region V(2) from lower potential ...

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  10. The capacitance of a metallic sphere is 1 muF, if its

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  11. The unit of electric field is not equivalent to

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  12. The electric potential V is givne as a function of distance x (metre) ...

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  13. Potential at a point x-distance from the centre inside the conducting ...

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  14. If a charged spherical conductor of radius 5 cm has potential V at a p...

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  15. Two plates are at potentials -10 V and +30 V. If the separation betwee...

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  16. The potential at a point due to an electric dipole will be maximum and...

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  17. An electric dipole when placed in a uniform electric field E will have...

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  18. How much kinetic energy will be gained by an alpha-particle in going f...

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  19. A charged particle of mass m and charge q is released from rest in an ...

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  20. Two positive point charges of 12 mu C and 8 mu C are 10 cm apart. The ...

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