Question

The area of each plate of a parallel plate capacitor is $100 \mathrm {~cm} ^ { 2 }$and the distance between the plates is 1 mm . It is filled with mica of dielectric 6. The radius of the equivalent capacity of the sphere will be

• A.
• B. 4.77 $m$
• C. 477 $m$
• D. None of the above

Answer 1

Answer: (B)

4.77 $m$

Answer 2

Because metals are good conductor of electricity.