electric They went to each of the cost of heightening the bridges to save overhead electrics. From the Hansard archive
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discipline is created so as to fulfill The present neutrality. In the Cambridge English Corpus See all examples of electric These examples are from corpora and from sources online.
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^ Accounts differ as to whether this was just before, during, or following a lecture. ^ Pretty much all electric fields change in Area. An exception will be the electric industry bordering a planar conductor of infinite extent, the sector of and that is uniform.
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The initial good-state device was the "cat's-whisker detector" very first used in the 1900s in radio receivers. A whisker-like wire is positioned lightly in connection with a solid crystal (like a germanium crystal) to detect a radio signal through the contact junction impact.[28] In a very strong-condition component, The existing is confined to strong things and compounds engineered particularly to change and amplify it.
The resistive Joule heating outcome employed in filament light-weight bulbs also sees a lot more immediate use in electric heating. While this is flexible and controllable, it can be witnessed as wasteful, given that most electrical generation has already demanded the manufacture of heat at a power station.[seventy eight] A range of countries, which include Denmark, have issued laws proscribing or banning using resistive electric heating in new properties.
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A fundamental electric circuit. The voltage supply V around the remaining drives a current I across the circuit, providing electrical Electricity into your resistor R. Within the resistor, The present returns for the source, completing the circuit.
In most programs, Coulomb's law determines the pressure performing on an electric demand. Electric potential would be the function performed to move an electric cost from a single position to a different within an electric discipline, normally calculated in volts.
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This kind of generators bear no resemblance to Faraday's homopolar disc generator of 1831, but they even now rely on his electromagnetic theory that a conductor linking a switching magnetic area induces a possible variance throughout its finishes.[sixty four] Electricity created by solar panels rely on a special mechanism: photo voltaic radiation is transformed directly into electricity utilizing the photovoltaic influence.[sixty five]
Electric Electrical power produced in a central electricity station is transmitted to bulk shipping and delivery details, or substations, from which it really is distributed to buyers. Transmission is accomplished by an in depth network of significant-voltage electrical power strains, which includes overhead wires and underground and submarine cables. Voltages better click here than Individuals well suited for electric power plant generators are required when transmitting alternating latest above lengthy distances so as to decrease the ability losses that outcome within the resistance of transmission traces.