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A parallel plate condenser with air betw...

A parallel plate condenser with air between the plates possesses the capacity of `10^(-12) F` .Now, the plates are removed apart, so that the separation is twice the original value. The space between the plates is filled with a material of dielectric constant 4.0. Then new value of the capacity is (in farad)

A

`4 xx 10^(-12)`

B

`3 xx 10^(-12)`

C

`2 xx 10^(-12)`

D

`0.5 xx 10^(-12)`

Text Solution

Verified by Experts

The correct Answer is:
C
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DC PANDEY-ELECTROSTATIC POTENTIAL AND CAPACITORS-(A) Chapter exercises
  1. There are 7 identical capacitors. The equivalent capacitance when they...

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  2. The capacitance of a parallel plate capacitor is 16 mu F. When a glas...

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  3. A parallel plate condenser with air between the plates possesses the c...

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  4. Three condensers each of capacity C microfarad are connected in series...

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  5. Three plates of common surface area A are connected as shown. The effe...

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  6. Eight drops of mercury of equal radii possessing equal charges combine...

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  7. Consider a disconnected. Plate capacitor of capacity 10 muF with air f...

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  8. A capacitor of capacity C is connected with a battery of potential V i...

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  9. A parallel plate capacitor has plate separation d and capacitance 25 m...

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  10. The capacity and the energy stored in a parallel plate condenser with ...

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  11. A slab of copper of thickness b is inserted in between the plates of p...

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  12. A capacitor when filled with a dielectric K = 3 has charge Q(0), volta...

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  13. In the adjoining figure, four capacitors are shown with their respecti...

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  14. Two condensers C(1) and C(2) in a circuit are joined as shown in fig...

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  15. Three capacitors of 2 muF, 3 muF and 6 muF are joined in series and th...

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  16. In the figure a potential of + 1200 V is given to point A and point B ...

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  17. The charge on 4 mu Fcapacitor in the given circuit is ("in" muC)

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  18. Four identical capacitors are connected as shown in diagram. When a ba...

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  19. A dielectric slab of thickness d is inserted in a parallel plate capac...

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  20. A 2 muF condenser is charged upto 200 V and then battery is removed. O...

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