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A parallel plate capacitor of capacitanc...

A parallel plate capacitor of capacitance C is charged to a potential V. It is then connected to another uncharged capacitor having the same capacitance. Find out the ratio of the energy stored in the combined system to that stored initially in the single capacitor.

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CBSE COMPLEMENTARY MATERIAL-ELECTROSTATICS AND CURRENT ELECTRICITY -NUMERICALS
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  5. Two point charges 6 mu C and 2 mu C are separated by 3 cm i...

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  6. ABC is an equilateral triangle of side 10 cm. D is the mid poin...

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  7. A point charge of 2 muC is kept fixed at the origin. Anothe...

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  8. A 5 MeV alpha particle is projected towards a stationary nucl...

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  9. To what potential must a insulated sphere of radius 10 cm be...

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  10. A slab of material of dielectric constant K has the same area as the ...

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  11. A point charge developes an electric field of 40 N/C and a potential d...

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  12. Figure shows three circuits, each consisting of a switch and two capac...

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  13. For what value of C does the equivalent capacitance between A and B is...

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  15. Eight chraged water drops, each with a radius of 1 mm and a charge of ...

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  16. What potential difference must be applied to produce an electric field...

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  17. A 10 mu F capacitor can withstand a maximum voltage of 100 V acro...

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  18. Three concentric spherical metallic shells A, B and C of radii a, b an...

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  19. Four point charges are placed at the corners of the square of edge a a...

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  20. Find the potential at A and C in the following circuit :

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  21. Fig. shows two parallel plate capacitors X and Y having same area of p...

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