If a slab of insulating material \[4\times {{10}^{-3}}m\] thick is int – McqOptions

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1.	If a slab of insulating material \[4\times {{10}^{-3}}m\] thick is introduced between the plates of a parallel plate capacitor, the separation between plates has to be increased by \[3.5\times {{10}^{-3}}\,m\] to restore the capacity to original value. The dielectric constant of the material will be [AMU (Med.) 1999]
A.	6
B.	8
C.	10
D.	12
Answer» C. 10

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