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Give suitable examples showing that stat...

Give suitable examples showing that static charge can be useful.

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CHETANA PUBLICATION-ELECTROSTATICS-EXERCISE
  1. Define Surface charge density. State its formula and unit.

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  2. Define Volume charge density. State its formula and units.

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  3. Give suitable examples showing that static charge can be useful.

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  4. Give suitable examples showing that static charge can be harmful.

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  5. Mention the precautions to be taken against static charge.

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  6. Two point charges, each of 4 mu C when placed in vacuum, repel each ot...

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  7. Find the value of the electric intensity at a point at a distance of 1...

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  8. How many electrons need be removed from a metal sphere of 0.05 m radiu...

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  9. What charge placed 9 cm from a charge of 100 muC will produce a force ...

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  10. Two point charges whose magnitudes are in the ratio 3 : 2 repel each o...

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

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

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

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

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

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

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

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

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

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

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