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The electric potential at the surface of...

The electric potential at the surface of an atomic nucleus (Z=50) of radius `9.0 xx 10^-15 m ` is

A

80 V

B

`8 xx 10^6V`

C

9V

D

`9xx10^5V`

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MODERN PUBLICATION-TEXUAL QUESTIONS -EXERCISE
  1. Potentail at any point inside a charged hollow sphere

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  2. Two small spheres, each carrying a charge q are placed r m apart and t...

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  3. The electric potential at the surface of an atomic nucleus (Z=50) of r...

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  4. If a charge is moved against the Coulomb force of an electric field

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  5. Hydrogen ion and singly ionized helium atom are accelerated , from res...

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  6. In SI. Unit of electric field is:

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  7. A charge of 10 muC experience a force of 5 N in an electric field. The...

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  8. There is an electric field E in x-direction. If the work done on movin...

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  9. Can a body have charge and still be at zero potential?

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  10. Can a body have electric potential and still be uncharged?

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  11. In the electric field of a point charge q, a certain charge is carried...

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  12. Which of the following quantites do not depend on the choice of zero p...

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  13. In SI, unit of permittivity is

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  14. The capacitance of the earth viewed as a spherical conductor of radius...

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  15. n identical mercury droplets charged to the same potential V coalesce ...

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  16. A capacitor having capacity of 2 muF is charged to 200 V and then the ...

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  17. A parallel plate capacitor is charged. If the plates are pulled apart

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  18. When air is replaced by a dielectric medium of constant K, the maximum...

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  19. An isolated capacitor of unknown capacitance has been charged to poten...

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  20. In a charged capacitor, the energy resides

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