Electrostatics Question 95

Question: If a slab of insulating material 4×103m thick is introduced between the plates of a parallel plate capacitor, the separation between plates has to be increased by 3.5×103m to restore the capacity to original value. The dielectric constant of the material will be [AMU (Med.) 1999]

Options:

A) 6

B) 8

C) 10

D) 12

Show Answer

Answer:

Correct Answer: B

Solution:

K=ttd=4×1034×1033.5×103=8



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