• 3 × 10^16

  • 6 × 10^18

  • 9 × 10^21

  • 1


1 coulomb(C) of charge is equivalent to the charge contained in approximately 6 × 10^18 electrons. An electron possesses a negative charge of 1.6 X 10^-19c. Coulomb is the S.I unit of electric charge.