Two like charges of 20 micro coloumb are placed 5cm apart in a medium of dielectric constant 2.5 calculate force between them
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force=9*10^9*20*20*10^-12/(2.5*25*10-4)
=3600*10^-3/62.5*10-4)
5.76
=3600*10^-3/62.5*10-4)
5.76
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