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(a) Derive an expression for energy dens...

(a) Derive an expression for energy density of a parallel plate capacitor.
(b) Radius of a spherical conductor is 9 cm. `A+4muC` charge is given to it. Calculate the capacitance of conductor.

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MODERN PUBLICATION-ELECTROSTATIC POTENTIAL AND CAPACITANCE -Revision Exercises (Short Answer Questions)
  1. Show that the electric field at the surface of a charged conductor is ...

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  2. How does a non-polar dielectric develop a net dipole moment when place...

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  3. What will be the work done in taking a point charge from a point X to ...

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  4. What is the relation between dielectric constant and electric susce...

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  5. Briefly explain the principle of a capacitor. Derive an expression for...

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  6. Net charge on a capacitor is always zero, then what does a capacitor s...

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  7. In what form of field, is the energy of a capacitor stored? Derive an...

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  8. Explain what happens to the capacitance of a capacitor when charge q o...

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  9. Derive an expression for energy density of a parallel plate capacitor.

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  10. (a) Derive an expression for energy density of a parallel plate capaci...

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  11. Two charges of +5nC and -2nC are placed at points (5cm, 0, 0) and (23c...

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  12. Two capacitors C(1) and C(2) have the same separation between the plat...

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  13. Can we give any desired charge to a capacitor?

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  14. How will the capacitance of a metal sphere change if its volume is dou...

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  15. A parallel plate capacitor each with plate area A and separation ‘d’ i...

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  16. A parallel plate capacitor of capacitance C is charged to a potential ...

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  17. Calculate the effective capacitance between a and b from the figure gi...

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  18. Two parallel plate capacitors X and Y have the same area of pl...

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  19. Why does current in a steady state not flow in a capacitor connected a...

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  20. When a dielectric is introduced between the plates of a charged parall...

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