Electrostatics Two Marks Questions

12th Standard EM

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Physics

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. What is meant by quantisation of charges?

  2. Write down Coulomb’s law in vector form and mention what each term represents.

  3. What is mean by ‘Electric field lines’?

  4. The electric field lines never intersect Justify.

  5. What is an equipotential surface?

  6. What are the properties of an equipotential surface?

  7. What is meant by electrostatic energy density?

  8. What is dielectric strength?

  9. What is corona discharge?

  10. Give a comparison of electrical and gravitional forces?

  11. What are Non-polar molecules

  12. What is a Capacitor?

  13. When we rotate the blades, it starts to rotate as usual. Why it is so??

  14. Will there be any effect on the potential at the point if the medium around this point is changed?

  15. Distinguish between the electric potential and potential energy and state the relation between them.

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