the force between+1micro C and +1 mC charges which kept at a distance 1m is 9N in the vacuum.but if the same two charges kept inside the coconut oil,the force is 3.180N.whats the dielectric constant
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Given:
The force between+1micro C and +1 mC charges which kept at a distance 1m is 9N in the vacuum. But if the same two charges kept inside the coconut oil,the force is 3.180N.
To find:
What is the dielectric constant?
Solution:
From the given information, we have the data as follows.
The force between+1micro C and +1 mC charges which kept at a distance 1m is 9N in the vacuum. But if the same two charges kept inside the coconut oil,the force is 3.180N.
⇒ f = 9 N
⇒ f_m = 3.18 N
The dieletric constant in terms of the ratio of forces is given as follows.
k = f_m/f
k = 3.18/9
k = 0.35
Therefore, the dielectric constant is 0.35.
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