Two charges 8 C and 6 C are held at certain distance apart in air attract each other with a force of 12 N A charge 4 C is added

Question

Two charges 8 C and 6 C are held at certain distance apart in air attract each other with a force of 12 N A charge 4 C is added to each The electrostatic force between new charges held at same separation in a medium of dielectric constant 2 would be ON 12 N 3 N

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