Electrostatics Question 28

Question: The respective radii of the two spheres of a spherical condenser are 12 cm and 9 cm . The dielectric constant of the medium between them is 6. The capacity of the condenser will be [MP PET 1993]

Options:

A) 240pF

B) 240μF

C) 240F

D) None of the above

Show Answer

Answer:

Correct Answer: A

Solution:

C=4πε0K[abba]=19×109.6[12×9×1043×102]

=24×1011=240pF



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