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The work done against electric in increa...

The work done against electric in increasing the potential difference of a condenser from 20 V to 40 V is W. The work done in increasing its potential difference from 40 V to 50 V will be

A

4W

B

`(3W)/(4)`

C

2W

D

`(W)/(2)`

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The correct Answer is:
B
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RESONANCE ENGLISH-CAPACITANCE-Exercise - 1
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  10. The resultant capacity between the points A and B in the adjoining cir...

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  11. The effective capacity with the following figure between the points P ...

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  12. The equivalent capacitance between the terminals X and Y in the figure...

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  13. The minimum number of condensers each capacitance of 2 muF, in order t...

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  14. The charge on the condenser of capacitance 2mu F in the following circ...

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  15. Two parallel plate condensers of capacity 20 mF and 30 mF are charged ...

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