ElectrostaticsHard
Question
Two point charge q1 and q2 are placed at a distance of 50 cm from each other in air, and interact with a certain force. Now the same charges are put in an oil whose relative permittivity is 5. If the interacting force between them is still the same, their separation now is : -
Options
A.16.6 cm.
B.22.3 cm.
C.35.0 cm
D.28.4 cm.
More Electrostatics Questions
Two infinitely long parallel conducting plates having surface charge density +σ and -σ respectively, are sep...Under the influence of the coulomb field of charge +Q, a charge -q is moving around it in an elliptical orbit. Find out ...In nucleus the force between proton and proton is...A non - conducting ring of radius 0.5 m,1.11 × 10-10 coulomb charge is non - uniformly distributed over the circumf...A charge Q is kept at the centre of a conducting sphere of inner radius R1 and outer radius R2. A point charge q is kept...