If 60 C of charge pass through an electric conductor in 30 seconds, determine the current in the conductor.
Determine the number of coulombs of charge produced by a 12 A battery charger in an hour.
A lightning bolt carrying 20,000 A lasts for 70*10^-6 s. If the lightning strikes a tractor, determine the charge deposited on the tractor if the tires are assumed to be perfect insulators.