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Grade 12Electrostatics

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

7 Years agoGrade 12

1 Answer

Khimraj

Approved Tutor Answer7 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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