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A parallel plate capacitor has a capacit...

A parallel plate capacitor has a capacity C. The separation between plates is doubled and a dielectric medium is inserted between plates. The new capacity is 3C. The dielectric constant of medium is

A

`1.5`

B

`3.0`

C

`6.0`

D

`12.0`

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-Capacitance -EXERCISE -2
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  2. A capacitor C is charged to a potential difference V and battery is di...

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  3. The capacitance of a parallel plate capacitor is 2.5muF when it is hal...

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  4. Four identical plates 1,2,3 and 4 are placed parallel to each other at...

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  5. The capacity of a parallel plate condenser is 5muF. When glass plate i...

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  6. Two identical capacitors 1 and 2 are connected in series to a batery a...

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  7. A capacitor stores 60muC charge when connected across a battery. When ...

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  8. In the above question, if the initial capacitance of the capacitor was...

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  9. A parallel plate capacitor is connected to a battery and inserted a di...

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  10. A parallel plate capacitor has a capacity C. The separation between pl...

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  11. An air capacitor of 1muF is immersed in a transformer oil of dielectri...

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  12. A parallel plate condenser is immersed in an oil of dielectric constan...

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  13. A capacitor of capacitance 100(mu)F is connected across a battery of e...

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  14. A capacitor of capacitance 0.1 muF is charged to a certain potential t...

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  15. The electric field between the plates of a parallel-plate capacitor of...

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  16. A 5.0(mu)F capacitor having a charge of (20 (mu)C)is discharged throug...

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  17. A charged capacitor is allowed to discharge through a resistor by clo...

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  18. In the circuit shown in the figure, the switch S is initially open and...

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  19. When the key E is pressed at time t = 0, which of the following statem...

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  20. The time constant of C-R circuit is

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