Question

If a slab of insulating material 4 × 10⁻⁵ m thick is introduced between the plates of a parallel plate capacitor, the distance between the plates has to be increased by 3.5 × 10⁻⁵ m to restore the capacity to original value. Then the dielectric constant of the material of slab is

a) 8
b) 6
c) 12
d) 10​

Answer 1

HERE IS YOUR ANSWER :-

Option no B

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