1. If the current in anelectric conductor is 2.4A, how many coulombs of charge pass anypoint in a 30-second interval?
2. A lightning bolt carrying 30,000A lasts for 50 microseconds. If the lightning strikes an airplane flying at 20,000 feet, what is the charged eposited on the plane?
3. How many joules ofenergy are in a 500mAh coin cell battery rated for 3V?