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A slab of copper of thickness `b` is inserted in between the plates of parallel plate capacitor as shown in figure. The separation of the plate is `d`. If `b=d//2`, then the ratio of capacities of the capacitor after and before inserting that slab will be

A

`sqrt(2):1`

B

`2:1`

C

`1:1`

D

`1: sqrt(2)`

Text Solution

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The correct Answer is:
D
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DC PANDEY ENGLISH-ELECTROSTATIC POTENTIAL AND CAPACITORS-(A) Chapter exercises
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