MEANS 1 Coulomb per second. So the number of ELECTRONS FLOW per second is (( FRAC {1}{1.602*10^{-19}}) ). Therefore number of electron flow in one minute = ( frac {1}{1.602*10^{-19}} )*60 =3.7*1020.The number will be 60 times more if we have to calculate the number of electron flow in an hour.