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The dimensions of an atom are of the ord...

The dimensions of an atom are of the order of an angstrom. Thus there must be large electric fields between the protons and electrons. Why, then is the electrostatic field inside a conductor zero?

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MODERN PUBLICATION-TEXUAL QUESTIONS -EXERCISE
  1. The dimensions of an atom are of the order of an angstrom. Thus there ...

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  2. A charge q is placed at the centre of line joining two equal charges Q...

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  3. Two opposite corners of a square carry Q charges each and the other tw...

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  4. A copper ball of density 8.6 g cm^-3 cm in diameter is immersed in oil...

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  5. Two point charges of +16muC and -9muC are placed 8 cm apart in air. D...

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  6. A spherical conductor of radius 12 cm has a charge of 1.6 xx 10^-7C di...

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  7. An electric dipoole, when placed at an angle 30^@ with a uniform elect...

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  8. A charged ball B hangs from a silk thread S, which makes an angle thet...

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  9. A charged particle q is placed at the centre O of the cube (ABCDEFGH) ...

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  10. Two charged conducting spheres A and B having radii a and b connected ...

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  11. On moving a charge of 20 C by 2 cm, 2 J of work is done. Then, the pot...

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  12. The potential at a point at distance x from some charge placed on X-ax...

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  13. Capacitance (in F) of a spherical conductor of radius 1 m is

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  14. A sheet of aluminium foil of negligible thickness is introduced betwee...

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  15. A parallel plate capacitor is made by stacking n equally spaced plates...

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  16. If n capacitors are connected in parallel to a V volt source, then tot...

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  17. A battery is used to charge a parallel plate capacitor till the potent...

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  18. A parallel plate capacitor with air between the plates has capacitance...

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  19. A fully charged capacitor has a capacitance 'C'. It is discharged thro...

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  20. The unit of permittivity of free space (E0) is :

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  21. When air is replaced by a dielectric medium of dielectric constant K, ...

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