Find the force of interaction between 60 stat coulomb and 37.5 stat coulomb spaced 7.5cm apart in transformer oil(εr=2.2) in 10^-4 N,(a) 8.15(b) 5.18(c) 1.518(d) 1.815The question was asked in my homework.I need to ask this question from Coulomb Law in portion Electrostatic Fields of Electromagnetic Theory

Find the force of interaction between 60 stat coulomb and 37.5 stat co

1.	Find the force of interaction between 60 stat coulomb and 37.5 stat coulomb spaced 7.5cm apart in transformer oil(εr=2.2) in 10^-4 N,(a) 8.15(b) 5.18(c) 1.518(d) 1.815The question was asked in my homework.I need to ask this question from Coulomb Law in portion Electrostatic Fields of Electromagnetic Theory
Answer» RIGHT OPTION is (d) 1.815 The explanation: 1 stat COULOMB = 1/(3 X 10^9) C F = (1.998 X 1.2488 X 10^-16)/(4∏ X 8.854 X 10^-12 X 2.2 X (7.5 X 10^-2)^2) = 1.815 X 10^-4 N.

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