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When a dielectric slab of thickness 4 cm...

When a dielectric slab of thickness `4 cm` is introduced between the plates of parallel plate condenser, it is found the distance between the plates has to be increased by `3 cm` to restore to capacity to original value. The dielectric constant of the slab is.

A

`1//4`

B

4

C

3

D

1

Text Solution

Verified by Experts

The correct Answer is:
B
`C= (in_(0)A)/(d-t (1-1//k)) = (in_(0)A)/(d-d.)`
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NARAYNA-ELECTROSTATIC POTENTIAL AND CAPACITANCE-Exercise-2(C.W)
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