THE TWO KINDS OF ELECTRICITY ARE “STATIC” AND “CURRENT?
November 15, 2010 2 Comments
Nope. Static and Current are two ways in which electrical charges can behave. If we said that Electrical Science is divided into two fields of research called Electrostatics and Electrodynamics, we would be correct. But please realize that the study of WATER is divided into Hydrostatics and Hydrodynamics, yet we don’t go around claiming that “current water” is one type of water, while “static water” is a different type of water. The same applies to electricity. If you insist that “Static” and “Current” are two kinds of electricity, then please explain this: if positive and negative charges are forced to separate as they flow along a wire, then that wire becomes electrostatically charged… yet the charges are NOT STATIC. The wire will cause hair to rise, and it can attract fur or lint, yet the so-called “static electricity” is moving along as an electric current. Does this make your brain ache? The solution is simple: realize that “static” electricity is actually composed of separated opposite charges, and if those separated charges should flow along, they still behave as “static electricity” whether they move or not. The separation of the charges is key, and their “static-ness” is not important. For this reason, charges can exhibit both “static electricity” and “current electricity” at the same time. This is not so terrible, since water supplies a good illustration: water can be pressurized and it can flow at the same time. Fortunately we have not given the name “static water” to water that is pressurized. Maybe we should change the name of “Static electricity” to something sensible, like “charge imbalance”, or “pressurized electricity.” It would end a lot of confusion. Charges can flow, and opposite charges can be forced to separate, but this doesn’t mean that the two KINDS of charge are “flowing electricity” and “separated electricity.” Separation and flow are two electrical behaviors, they are not two “kinds of electricity.”