dua muatan masing-masing Q1 = 6 mc dan Q2= 12 mc terpisah sejauh 20 cm tentukan besar gaya coulomb

Q1 = 6 mC = 6.10⁻³ C
Q2 = 12 mC = 12.10⁻³ C
r = 20 cm = 2.10⁻¹ m
F = k.Q1.Q2/r² = 9.10⁹×6.10⁻³×12.10⁻³/(2.10⁻¹)² = 1,62.10⁷ N