Electricity and Magnetism in the Real World
See Electricity and Magnetism in action.
Environment
Circuit Laws and Solar PanelsEvery square meter of the earth's surface receives about 1,000 W of power while the sun shines.12 This is an incredible amount of power and energy—as much energy in a...
Engineering
Maglev TrainsIf you've ever tried to push two refrigerator magnets together north-to-north or south-to-south (or faced off against Magneto), you know that magnetic fields can create considerable am...
History
The War of the CurrentsIn this chapter, we focused mainly on what is called direct current, or DC, electricity. This is the kind of electricity that comes out of a battery—when you turn a 5 V bat...