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Two point charges 20μC and 10μC are separated by 0.05m in free space.Find the force between them.Also calculate the force between them. Also calculate the force when a dielectric medium of dielectric constant 3 is introduced between them.

N.R Pramath , 6 Years ago
Grade 12
anser 1 Answers
Khimraj

Last Activity: 6 Years ago

initial force
F = Kq1*q2/r2 = 9*109*20*10-6*10*10-6/25*10-4 = 720 N
final force will be K times the initial force = 3*720 = 2160N
Hope it clears.....................................

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