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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-CAPACITANCE-Exercise - 1
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  2. A parallel plate capacitor is charged and the charging battery is then...

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  3. The work done against electric in increasing the potential difference ...

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  4. The magnitude of charge in steady state on either of the plates of c...

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  5. The plate separation in a parallel plate condenser and plate area is A...

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  6. In the adjoining diagram, the condenser C will be fully charged to pot...

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  7. A parallel plate capacitor of capacitance C is connected to a battery ...

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  8. In the following figure, the charge on each condenser in the steady s...

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  9. In the adjoining circuit, the capacity between the points A and B will...

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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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  16. Seven capacitors each of capacitance 2muF are to be connected in a con...

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  17. In the circuit shown below the switch is closed at t=0. For 0 lt t lt...

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  18. A capacitor of capacitance C is charged to a potential difference V(0)...

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  19. A 3 mega ohm resistor and an uncharged 1 mu F capacitor are connecte...

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  20. A 3 mega ohm resistor and an uncharged 1 mu F capacitor are connecte...

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