Two identical spheres of charges 8 mC and – 12 mC are at certain separation in air and the force of attraction is ‘F’. They are put in contact and again separated by the same distance in a medium of dielectric constant 2, then the force between them is:
Two identical spheres of charges 8 mC and – 12 mC are at certain separation in air and the force of attraction is ‘F’. They are put in contact and again separated by the same distance in a medium of dielectric constant 2, then the force between them is: