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Write the formula for capacity of a sphe...

Write the formula for capacity of a spherical capacitor.

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`C=(4pi in_(0)ab)/(b-a)`.
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MODERN PUBLICATION-ELECTROSTATIC POTENTIAL AND CAPACITANCE -Revision Exercises (Very Short Answer Questions)
  1. What are polar dielectrics?

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  2. Give two examples of polar dielectrics.

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  3. What is the value of electric susceptibility for vacuum?

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  4. What is the physical significance of electric susceptibility?

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  5. What is capacitance?

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  6. What is the SI unit and dimensional formula for capacitance?

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  7. How will you connect three capacitors to obtain the maximum charge sto...

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  8. Write the formula for capacity of a spherical capacitor.

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  9. What is the unit of energy density for a parallel plate capacitor?

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  10. How will capacitance of a parallel plate capacitor change on inserting...

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  11. What is the physical signifance fo capacitance ?

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  12. On which factors does the capacitance of a capacitor depend /

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  13. What is electric field near the surface of a non-conducting charged su...

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  14. What is the effect on electric field inside a charged capacitor when a...

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  15. What will be the change in the capacitance of a capacitor, if the sepa...

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  16. What will be the change in the capacitance of a parallel plate capacit...

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  17. How will the electric field between the plates in parallel plate capac...

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  18. Define one farad.

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  19. What is the capacitance of a spherical conductor with radius 1 m?

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  20. What is the relation between energy density and electric field?

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