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The plates of a parallel plate capacitor...

The plates of a parallel plate capacitor are pulled apart with a velocity `v`. If at any instant their mutual distance of separation is `x`, then magnitude of rate of change of capacitance with respect to time varies as

A

`(1)/(d)`

B

`(1)/(d^(2))`

C

`d^(2)`

D

d

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • An ideal cell is connected across a capacitor as shown in figure. The initial separation between the plates of a parallel plate capacitor is d. The lower plate is pulled down with a uniform velocity v. Neglect the resistance of the cirucit. Then the variation of charge on capacitor with time is given by

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    B
    C
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  • A parallel plate capacitor is charged. If the plates are pulled apart

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  • A parallel plate capacitor of area ‘A’ plate separation ‘d’ is filled with two dielectrics as shown. What is the capacitance of the arrangement ?

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    `(3K epsi_0 A)/(4d)`
    B
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    D
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