Electrostatics Question 19
Question: A parallel plate condenser is immersed in an oil of dielectric constant 2. The field between the plates is [CPMT 1975]
Options:
A) Increased proportional to 2
B) Decreased proportional to $ \frac{1}{2} $
C) Increased proportional to $ \sqrt{2} $
D) Decreased proportional to $ \frac{1}{\sqrt{2}} $
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Answer:
Correct Answer: B
Solution:
$ E _{medium}=\frac{E _{air}}{K}=\frac{E}{2} $