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What is a point charge?...

What is a point charge?

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CHETANA PUBLICATION-ELECTROSTATICS-EXERCISE
  1. Which type of force do unlike charges exert on each other?

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  2. Name the fundamental law governing interaction between charges on any ...

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  3. What is a point charge?

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  4. State Coulomb's law and write it in scalar form.

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  5. Define relative permittivity OR what is relative permittivity? OR...

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  6. Define unit of charge from Coulomb's law.

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  7. Charge on an electron is 1.6 xx 10^-19. How many electrons are require...

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  8. Express Coulomb's law in vector form.

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  9. State the similarities between gravitational and electrostatic forces.

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  10. Distinguish between gravitational force and electrostatic force

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  11. Calculate and compare the electrostatic and gravitational forces betwe...

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  12. (i)Two small spheres 18 cm apart have equal negative charges and repel...

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  13. (ii)A charge +q exerts a force of magnitude -0.2N on another change -...

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  14. State and explain the principle of superposition of interacting charge...

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  15. Three charges of 2muC, 3 mu C and 4 mu C are placed at points A, B and...

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  16. Three equal charges of 10 xx 10^-8 C respectively, each located at the...

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  17. Three charges, q each, are placed at the vertices of an equilateral tr...

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  18. Four charges of + 6 x 10^-8C each are placed at the comers of a square...

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  19. What is a test charge ?

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  20. What will happen if a test charge is kept beyond the electric field du...

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