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12th Standard Physics English Medium - Electrostatics 5 Mark Creative Question Paper and Answer Key 2022 - 2023 Study Materials Sep-01 , 2022

QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Physics Subject - Electrostatics, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.

12th Standard Physics English Medium - Electrostatics 5 Mark Creative Question Paper and Answer Key 2022 - 2023

Electrostatics 5 Mark Creative Question Paper With Answer Key

12th Standard

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Physics

Time : 01:00:00 Hrs
Total Marks : 75
    15 x 5 = 75

  1. How do we determine the electric field due to a continuous charge distribution? Explain.

  2. Explain in detail the Electrostatic Potential difference between the charges.

  3.  It requires 50 μJ of work to carry a 2C charge from point R to S. What is the potential difference between these points?

  4. Devise an arrangement of three point charges separated by finite distance that has zero electric potential energy.

  5. An electron is released from the bottom plate (E = 104 Nc-1) Find the velocity of the electron when it reaches plate B. (e/m = 1.76 x 1011 Ckg-1).

  6. A thin metallic spherical shell of radius R carries a charge Q on its surface. A point charge \(\frac{Q}{2}\) is placed at the centre C and another is placed at the centre C and another a distance x from the centre as shown in the figure.

    (i) Find the electric flux through the shell.
    (ii) Find the force on the charges at C and A.

  7. Three points A, B & C lie in a uniform electric field (E) of 5 x 103 NC-1 Find the potential difference between A & C.

  8. A polythene piece rubbed with wool is found to have a negative charge of 3 x 10-7 C. Estimate the number of electrons transferred from which to which?

  9. A copper slab of mass 2g contains 2 x 1022 atoms. The charge on the nucleus of each atom is 29 e. What fraction of the electrons must be removed from the sphere to give it a charge of +2μC?

  10. How many electrons are there in one coulomb of negative charge?

  11. A metal sphere has a charge of -6μC. When 5 x 1012 electrons are removed from the sphere. What would be net charge on it?

  12. Two charges each of +q coulomb are placed along a line. A third charge -q is placed between them. At what position will the system be in equilibrium?

  13. What charge would be required to electrify a sphere of radius 25 cm. So as to get a surface charge density of \(\frac{3}{\pi}\) cm-1?

  14. The radius of gold nucleus (Z = 79) is about 7 x 10-15 m. Assume that the positive charge is distributed uniformly throughout the nuclear volume. Find the volume charge density.

  15. The dielectric constant of water is 80. What is its permittivity?

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