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If a 10muF capacitor is to have an energ...

If a `10muF` capacitor is to have an energy constant of 1 joule, it must be placed across a potential difference of

A

900 V

B

750 V

C

447.2 V

D

200 V

Text Solution

Verified by Experts

The correct Answer is:
C
`E=1/2CV^(2)`
`therefore" "V=sqrt((2E)/C)=sqrt((2xx1)/(10xx10^(-6)))=447.2V`
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NIKITA PUBLICATION-ELECTROSTATICS-Multiple Choice Questions
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  2. A condenser of capacitance 6muF was originally charged to 10 V. Now po...

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  3. If a 10muF capacitor is to have an energy constant of 1 joule, it must...

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  4. A capacitor when charged by a potential difference of 200 Volts, store...

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  5. If the number of condensers are connected one after another then this ...

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  6. If the number of condensers are connected in series then

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  7. The resultant capacitance of n condensers of capacitances C(1)C(2).......

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  8. The equivalent capacity of number of condenser can be decreased if the...

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  9. The equivalent capacity of n identical condensers each of capacity C c...

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  10. The reciprocal of equivalent capacity of number of condensers connecte...

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  11. In series combination of condensers, potential is distributed in

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  12. If the number of condensers are connected one after another then this ...

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  13. If the number of condensers are connected in parallel then

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  14. The equivalent capacity of number of condensers can be increased if th...

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  15. The resultant capacity of n condensers of capacitances C(1),C(2).........

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  16. Write the equivalent capacitance of a number of identical capacitors c...

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  17. The resultant capacity of number of condensers connected in parallel i...

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  18. In parallel combination of condensers charge is distributed in

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  19. Two capacitors of capacity C(1) and C(2) are connected in series. The ...

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  20. Two capacitors connected in parallel having the capacities C(1) and C(...

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