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A parallel capacitor of capacitance C is...

A parallel capacitor of capacitance `C` is charged and disconnected from the battery. The energy stored in it is `E`. If a dielectric slab of dielectric constant `6` is inserted between the plates of the capacitor then energy and capacitance will become.

A

6E, 6C

B

E,C

C

E/6, 6C

D

E, 6C

Text Solution

Verified by Experts

The correct Answer is:
C
`U = (q^(2))/(2C), U_(f) = (q^(2))/(2KC)`
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NARAYNA-ELECTROSTATIC POTENTIAL AND CAPACITANCE-Exercise-2(C.W)
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  4. Two identical capacitors are connected as show in the figure. A dielec...

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  10. n Capacitors of 2 mu F each are connected in parallel and a p.d of 200...

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  11. An infinite number of identical capacitors each of capacitance 1mF are...

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  12. Two capacitors of capacites 1 mu F and C mu F are connected in series ...

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  13. A parallel capacitor of capacitance C is charged and disconnected from...

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  14. In the circuit diagram given below, the value of the potential differe...

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  15. The equivalent capacity of the infinite net work shown in the figure (...

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  16. The extra charge flowing through the cell on closing the key k is equa...

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  17. Energy 'E' is stored in a parallel plate capacitor 'C(1)'. An identica...

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  18. A parallel plate capacitor has area of each plate A, the separation be...

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  19. A capacitor is filled with an insulator and a certain potential differ...

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  20. A fully charged capacitor has a capacitance 'C'. It is discharged thro...

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