Electrostatics Question 27

Question: The area of each plate of a parallel plate capacitor is 100cm2 and the distance between the plates is1mm . It is filled with mica of dielectric 6. The radius of the equivalent capacity of the sphere will be

Options:

A) 47.7 m

B) 4.77 m

C) 477 m

D) None of the above

Show Answer

Answer:

Correct Answer: B

Solution:

C=ε0AKd=4πε0r r = Radius of sphere of equivalent capacity therefore r=AK4πd=100×104×61×103×4×3.14

=153.14=4.77m



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