1.

The area of each plate of a parallel plate capacitor is \[100\,c{{m}^{2}}\]and the distance between the plates is\[1mm\]. It is filled with mica of dielectric 6. The radius of the equivalent capacity of the sphere will be

A. \[47.7\ m\]
B. 4.77 \[m\]
C. \[x=\frac{d}{2\sqrt{2}}\] 
D. None of the above
Answer» C. \[x=\frac{d}{2\sqrt{2}}\] 


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