Electrostatics Question 339

Question: Two parallel plates have equal and opposite charge. When the space between them is evacuated, the electric field between the plates is 2×105V/m . When the space is filled with dielectric, the electric field becomes1×105V/m . The dielectric constant of the dielectric material [MP PET 1989]

Options:

A) 1/2

B) 1

C) 2

D) 3

Show Answer

Answer:

Correct Answer: C

Solution:

K=Ewithout dielectric Ewith dielectric=2×1051×105=2



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