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12th Standard English Medium Physics Subject Electrostatics Creative 2 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
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Physics

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10
  1. What are induced dipoles.

  2. What is a Capacitor?

  3. (i) Two insulated charged copper spheres A & B of identical size have charges qn and -3qA respectively. When they are brought in contact with each other and then separated. What are the new charges on them?
    (ii) When third sphere of some size but uncharged is brought in contact with first and then second and finally removed? What are the new charges.

  4. A charge Q μC is placed at the centre of a cube what would be the
    (i) flux through one face?
    (ii) flux passing through two opposite faces of the cube?
    Electric flux through whole cube \(\frac { Q }{ { \varepsilon }_{ 0 } } \) 

  5. (i) Electric field lines donot have sudden breaks why is it so?
    (ii) Explain why two field lines never cross each other at any point.

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