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Two spherical balls of the same radius c...

Two spherical balls of the same radius carry charges -0.4 C and-0.9 C.Calculate the number of electrons to be transferred from one ball to another such that they attain the same charge

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`1.56xx10^18` electrons
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MODERN PUBLICATION-ELECTRIC CHARGES AND FIELDS -Practice Problems
  1. An object with an initial charge of 4 C is given 9 xx 10^19additional ...

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  2. A charged object having charge of-4C is given 9xx 10^19 electrons. Cal...

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  3. Two spherical balls of the same radius carry charges -0.4 C and-0.9 C....

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  4. Calculate the change in mass of an object if 800 electrons are given t...

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  5. The charges on three dentical ebonite spheres are +2 mC, -4 mC and +...

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  6. The identical anions are placed 7xx10^(-10) m apart and experience of ...

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  7. Two electrons are placed at a distance d such that electrostatic force...

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  8. Two identical small plastic balls are rubbed against a piece of wool ...

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  9. calculate the change in electrostatic force between the two balls, if ...

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  10. Two identical metallic balls with equal charges are kept 4.5 cm apart....

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  11. Two small objects are rubbed against each other using insulating handl...

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  12. A point charge Q is kept fixed on a table and another particle of char...

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  13. Total charge Q is divided between two point objects in such a manner t...

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  14. Two point charges with charge magnitudes 2 nC and 3 nC are placed at a...

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  15. Four positive point charges Q are placed at the corners of a square of...

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  16. There is a particle A with positive charge q1 and mass m. There is ano...

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  17. Two point charges Q are kept fixed on XY-plane at points A(0, d) and B...

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  18. calculate the maximum possible force that the negative charge may expe...

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  19. Assume an electron with charge e and mass m is going around in a circu...

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  20. The ratio of magnitude of electrostatic force and gravitational force ...

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