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A capacitor is charged by a cell of emf ...

A capacitor is charged by a cell of emf `E` the charging battery is then removed. If an identical capacitor is now inserted in the circuit in parallel with the previous capacitor, the potential difference across the new capacitor is

A

`2E`

B

`E`

C

`E/2`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C

common potential in parallel grouping
`=("Total charge")/("Total capacity")`
`(EC)/(2C)=E/2`
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DC PANDEY ENGLISH-CAPACITORS-Exercise
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  10. The equivalent capacitance between X and Y is

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  11. In the arrangement shown in figure dielectric constant K1=2 and K2=3. ...

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  12. Six equal capacitors each of capacitance C are connected as shown in t...

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  14. The equivalent capacitance of the arrangement shown in figure, if A is...

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  15. Find equivalent capacitance between points A and B. [Assume each condu...

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  16. Two metallic plates are kept parallel to one another and charges are g...

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  17. Charges 2q and -3q are given to two identical metal plates of area of ...

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  18. Find the charged stored in all the capacitors

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  19. Find the charge stored in the capacitor.

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  20. Find the charge stored in the capacitor.

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