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Guess a possible reason why water has a ...

Guess a possible reason why water has a much greater dielectric constant (=80) than say, mica(=6).

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This is because a molecule of water in its normal state has an unsymmetrical shape and therefore it has a permanent dipole moment.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-ELECTROSTATIC POTENTIAL AND CAPACITANCE-Additional Excercise
  1. A 4muF capacitor is charged by a 200 V supply. It is then disconnected...

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  2. Show that the force on each plate of a parallel plate capacitor has a ...

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  3. A spherical capacitor consists of two concentric spherical conductors,...

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  4. A spherical capacitor has an inner sphere of radius 12 cm and an outer...

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  5. Two large conducting sphers carrying charges Q1 and Q2 are brought clo...

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  6. If Coulomb's law involved 1//r^3 dependence (instead of 1//r^2), would...

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  7. A small test charge is released at rest at a point in an electrostatic...

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  8. What is the work done by the field of a nucleus in a complete circular...

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  9. We know that electric field is discontinuous across the surface of a c...

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  10. What meaning would you give to the capacitance of a single conductor ?

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  11. Guess a possible reason why water has a much greater dielectric consta...

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  12. A cylinderical capacitor has two co-axial cylinders of length 15 cm an...

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  13. A parallel plate capacitor is to be desigined with a voltage rating 1k...

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  14. Describe schematically the equipotential surfaces corresponding to (...

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  15. In a Van de Graff type generator a spherical metal shell is to be a 15...

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  16. A small sphere of radius r1 and charge q1 is enclosed by a spherical s...

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  17. The top of the atmosphere is at about 400kV with respect to the surfa...

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  18. A man fixes outside his house on evening on its top a large aluminium ...

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  19. The discharging current in the atmosphere due to the small conductivit...

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  20. What are the forms of energy into which the electrical energy of the a...

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