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The potential drop across 7muF capacito...

The potential drop across `7muF` capacitor is 6V. Then

A

potential drop across `3 mu F` capacitor is 10V

B

charge on `3 mu F `capacitor is `21 mu F`

C

emf of the cell is 30V

D

P.D across 12`mu `F capacitor is 5V

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (ELECTRIC POTENTIAL & CAPACITANCE )
  1. Calculate the effective resistance between the points A and B in the c...

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  2. The P.D between the points A and B is

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  3. The potential drop across 7muF capacitor is 6V. Then

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  4. If the capacity of each condenser is 10 mu F, the equivalent capacity ...

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  5. If the equivalent capacity between A and B in the circuit is 12 muF, t...

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  6. In the circuit shown in the figure, each capacitor has a capacity of 3...

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  7. The equivalent capacity between the points A and B in the adjoining ci...

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  8. Find the effective capacitance between the terminals a and b shown in ...

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  9. Find the effective capacitance between the terminals a and b shown in ...

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  10. In the figure, potential difference between A & B is

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  11. In the given circuit, the initial charges on the capacitors are shown ...

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  12. Find the effective capacitance between the terminals a and b shown in ...

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  13. A body of capacity 4u Fis charged to 80V and another body of capacity ...

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  14. Two parallel plates capacitors A and B having capacitance of 1 muF and...

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  15. A condenser of capacity 2mF charges to a potential 200V is connected i...

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  16. Two capacitors are in parallel and when connected to a source of 3000 ...

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  17. A parallel plate capacitor of capacity 100mu F is charged by a battery...

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  18. A parallel - plate capacitor of plate area A and plate separation d is...

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  19. The capacity of a parallel plate condenser with air as dielectric is 2...

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  20. A parallel plate air capacitor of capacitance C is connected to a cell...

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