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The principle made use of an lightning a...

The principle made use of an lightning arrester is .................. .

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FULL MARKS-ELECTROSTATICS -ADDITIONAL QUESTIONS SOLVED ( II. FILL IN THE BLANKS)
  1. The force between two charged bodies was studied by .....................

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  2. The unit of permittivity in free space (epsilon(0)) is ..................

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  3. The value of epsilon(r) for air or vacuum is ........................

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  4. Charges can neither be created nor be destroyed is the statement of la...

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  5. The space around the test charge, in which it experiences a force is k...

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  6. Electric field at a point is measured in terms of

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  7. The unit of electric field in tensity is .................. .

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  8. The lines of force are far apart, when electric field E is ..............

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  9. The lines of force are close together, when electric field E is .........

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  10. Electric dipole moment ...................... .

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  11. Torque experienced by electric dipole is ..................... .

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  12. An electric dipole placed in a non-uniform electric field at an angle ...

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  13. When the dipole is aligned parallel to the field, its electric potenti...

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  14. Change of potential with distance is known as

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  15. The number of electric lines of force crossing through a given area is

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  16. The process of isolating a certain region of space from external field...

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  17. Capacitor is a device to store ........... .............. .

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  18. The charge density is maximum at ...........

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  19. The principle made use of an lightning arrester is .................. ...

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  20. Van de Graaff generator producers large electrostatic potential differ...

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