A force f is acting between two charges placed some distance apart in vacuum .if a brass rod is placed between these two charges how does the force change
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The force between two objects placed in a distance apart in vacuum when disturbed by a material like brass which is neither a proper conductor nor a proper insulator, the electric field or the force created between the two charges is reduced to an extent.
This is lost due to the "work done" by the object in aligning the molecules in brass to conduct the force across in the medium.
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