Span classnews_dtfeb 17 2012spannbsp018332apart from human effect the electrostatic coupling amp electromagnetic interference of high voltage transmission lines have impact on plants and telecommunication equipments mainly operating in frequency range below uhf is power line emf safe this is the controversy discussion directly eludes on government.
Electric current is the rate at which electric charge flows past a point on the electric circuit water current is the rate at which water flows past a point on the water circuit as such current is analogous to the number of gallons of water flowing into along and out of a slide per unit of time.
Electric current is measured using a device called an ammeter electric currents cause joule heating which creates light in incandescent light bulbs they also create magnetic fields which are used in motors inductors and generators the moving charged particles in an electric current are called charge carriers.
Resistance or impedance decreases strongelectrical currentstrong per ohms law ohms law gives strongcurrentstrong as a ratio of voltage to resistance 1 volt flowing through 1 ohm of resistance produces 1 ampere of strongcurrentstrong resistance is the property of an object and resistivity is the property of the substance of.
There are a number of variables or parameters that define alternating current a wave has an amplitude for electrical applications we use the term voltage this is expressed most commonly as volts rms rms is quotroot mean squarequot the wave is squared then the square root is taken.
Voltage and strongcurrentstrong chapter 1 basic concepts of electricity water will flow strongunderstrong the influence of gravity down from the reservoir through the pipe because strongelectric currentstrong is composed of individual electrons flowing in unison through a conductor by moving along and pushing on the electrons ahead just like marbles through a tube.
Environmental strongimpactstrong of strongelectricitystrong generation impacts for specific technologies and on other environmental impacts of strongelectricstrong power systems in general can be found strongunderstrong the categoryenvironmental strongimpactstrong of the energy industry advocates of renewable energy also argue that strongcurrentstrong infrastructure is less aesthetically pleasing than.
Strongelectricstrong and magnetic fields are invisible areas of energy also called radiation that are produced by strongelectricitystrong which is the movement of electrons or strongcurrentstrong through a wire an strongelectricstrong field is produced by voltage which is the pressure used to push the electrons through the wire much like water being pushed through a pipe.
Provides general information on energy resources and their environmental effects how strongelectricitystrong is delivered and used and related tools and epa program links.