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Electric potential at a point P, r dista...

Electric potential at a point P, r distance away due to a point charge q kept at point A is V. If twice of this charge is distributed uniformly on the surface of a hollow sphere of radius 4r with centre at point A the potential at P now is

A

V

B

`(V)/(2)`

C

`(V)/(4)`

D

`(V)/(8)`

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AAKASH INSTITUTE ENGLISH-ELECTROSTATIC POTENTIAL AND CAPACITANCE -ASSIGNMENT (SECTION-A) Objective Type Questions (Only one answer)
  1. The variation of potential with distance R from a fixed point is as sh...

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  2. Two equal positive charges are kept at points A and B. The electric po...

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  3. Electric potential at a point P, r distance away due to a point charge...

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  4. A uniform electric field having a magnitude E(0) and direction along t...

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  5. Equipotential surfaces associated with a uniform electric field along ...

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  6. Electric potential V due to a short dipole is related to the distance ...

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  7. A hollow spherical conductor of radius r potential of 100 V at its out...

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  8. An electric dipole when placed in a uniform electric field has minimum...

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  9. ABC is a right anlged triangle situated in a uiform electric field vec...

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  10. Three charges are placed along x-axis at x = - a x = 0 and x = a as sh...

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  11. The work which is required to be done to make an arrangement of four p...

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  12. The work done in slowly moving an electron of charge e and mass m from...

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  13. When the separation between two charges is increased, the electric pot...

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  14. In a region of space, suppose there exists a uniform electric vec(E ) ...

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  15. Two point charges of + 1.0 muC are kep stationary 2 m apart. How much ...

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  16. In the electric field of a point charge ( + q) , placed at the centre ...

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  17. Four charges +q, -q, +q and -q are placed in order on the four consecu...

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  18. In the questions , if the charges with the same sign are interchanged...

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  19. A charged particle q is shot from a large distance towards another cha...

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  20. A charged partile is moved infinitesimally slowly from point A to B i...

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