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Two small insulated metal spheres placed...

Two small insulated metal spheres placed 5 cm apart in air carry charges of 5 and 0.5 micro- coulomb respectively. Find the force between them. What would the force be if the spheres are in a medium of dielectric constant 3?

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CHETANA PUBLICATION-ELECTROSTATICS-EXERCISE
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  2. Two point charges whose magnitudes are in the ratio 3 : 2 repel each o...

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  3. Two small insulated metal spheres placed 5 cm apart in air carry charg...

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  4. The mutual force of repulsion between two point charges kept a fixed d...

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  5. The force exerted by an electric field on a charge of 5 micro-coulomb ...

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  6. The potential at a point A is -160 volt and the potential at a point B...

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  7. Two positive charges of 20 mu C and 8 mu C are 20 cm apart, find the w...

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  8. Three Charge of +10, -10 and + 5 mu C are placed at the corners A, B a...

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  9. A positively charged glass rod is brought close to a metallic rod isol...

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  10. An electron is placed between two parallel plates connected to a batte...

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  11. A charge of + 7 mu C is placed at the centre of two concentric spheres...

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  12. Two charges of 1.0 C each are placed one meter apart in free space.The...

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  13. Two point charges of + 5 mu C are so placed that they experience a for...

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  14. A metallic sphere A isolated from ground is charged to + 50 mu C. This...

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  15. Which of the following produces uniform electric field?

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  16. Two point charges of A = + 5.0 mu C and B = -5.0 mu C are separated by...

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  17. The number of electrons removed from a body in order to produce positi...

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  18. On being negatively charged, a soap bubble

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