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Can a body have a charge of 1.0xx10^(-19...

Can a body have a charge of `1.0xx10^(-19)` C ?

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No, the minimum amount of charge that is possible is `1.6xx10^(-19)` C
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(a) How many electorns are in 1C of negative charge? (b) Which is the true test of electrification: attraction or repulsion? (c ) Can a body have a charge of 0.8xx10^(-19)C ?

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In a Millikan's oil drop experiment, six oil drops were observed to have charges of 16xx10^(-19) C , 8.0xx10^(-19) C, 6.4xx10^(-19) C, 2.4xx10^(-18) C and 3.2xx10^(-18) C, respectively. What conclusion can be drawn from these observations ?

Two positively charged small particles, each of mass 1.7 xx 10^(-27) kg and carrying a charge of 1.6 xx 10^(-19) C are placed apart at a separation r. If each one experiences a repulsive force equal to its weight find their separation. [0.117 m]

Calculate the electric field strength which is required to just support a water drop of mass 10^(-3) kg and having a charge 1.6xx10^(-19)C .

Calculate the electric field strength required to just support a water drop of mass 10^(-7) kg and having a charge 1.6xx10^(-19) C

A charged partical having a charge of -2.0 xx 10^(-6) C is placed close to a nonconducting plate having a surface charge density 4.0 xx 10^(6) C m^(-2). Fine the force of attraction between the particle and the plate.

A copper wire of diameter 1.0 mm carries a current of 0.2 A. Copper has 8.4xx10^(28) atoms per cubic metre. Find the drift velocity of electrons, assuming that one charge carrier of 1.6xx10^(-19) C is associated with each atom of the copper.

MODERN PUBLICATION-ELECTRIC CHARGES AND FIELDS -Revision Exercises (Very short)
  1. Draw the pattern of electric lines, when a point charge - Q is kept ne...

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  2. What is the name of famous experiment, which established the quantum n...

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  3. Can a body have a charge of 1.0xx10^(-19) C ?

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  4. Write two differences between charge and mass.

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  5. State Coulomb's law.

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  6. Define 1 statcoulomb.

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  7. What is the Importance of expressing coulomb's law in vector from ?

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  8. Write the expression for Coulomb's law for force between two charged p...

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  9. Two charges are at distance (d) apart in air Coulomb force between the...

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  10. Define dielectric constant of a medium in terms of force between elect...

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  11. State Coulomb's law of electric force between two charged bodies.

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  12. Does Coulomb's law of electric force obey Newton's third law of mo...

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  13. What will be the electrical permittivity of medium whose dielectric co...

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  14. The dielectric constant of water is 80. What will be its electrical pe...

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  15. Why does the electric field inside a dielectric decrease when it is p...

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  16. Define linear charge density and write its SI units.

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  17. Two large conduction spheres carrying charges Q(1) and Q(2) are brough...

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  18. Define volume charge density and write its SI unit.

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  19. Why can the interior of a conductor have no excess charge in the stati...

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  20. Define electric dipole moment. Write its SI unit ?

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