| 单词 | electric circuit |
| 例句 | The key closed an electric circuit that activated the Electro-Automatic Engine Stop and Starter attached to the giant three-thousand-horsepower Allis steam engine at the Machinery Building. The Devil in the White City 2003-02-11T00:00:00Z “There are many unsuspected links that can exist over different spatial scales, ranging from microbes in the soil and plant-pollinator interactions to insect swarms and the global electric circuit,” he said. There’s Lightning Brewing in Every Swarm of Insects 2022-10-26T04:00:00Z "There are many unsuspected links that can exist over different spatial scales, ranging from microbes in the soil and plant-pollinator interactions to insect swarms and perhaps the global electric circuit." Insect swarms create so much electricity that they may influence weather, study finds 2022-10-26T04:00:00Z You should also disconnect all electrical appliances or turn off electric circuits at the fuse box or circuit breaker panel. With Tropical Storm Kay arriving, here's how to check your flood risk 2022-09-09T04:00:00Z The values of currents and electric potential differences in an electric circuit are determined by the properties and arrangement of the individual circuit elements such as sources of emf, resistors, and capacitors. College Physics for AP Courses 2015-08-12T00:00:00Z When a neuromorphic chip learns, it rewires its electric circuits to save the new behavior like a brain does to save a memory. Lego Robot with an Organic ‘Brain’ Learns to Navigate a Maze 2022-01-28T05:00:00Z As a co-winner of my grade school Science Fair, for which I built a rudimentary electric circuit in a cigar box, I studied the technology exhibits with a keen eye. Like the wide-eyed kid I was at the World’s Fair, I still believe tech can lift the human spirit 2021-10-01T04:00:00Z Barbara Donovan said while they were in the basement with the man, who was looking at their electric circuit panel, she heard squeaking floorboards upstairs realized something wasn't right. Illinois man, 81, uses antique walking stick to beat thieves 2020-11-20T05:00:00Z Barbara Donovan said while they were in the basement with the man, who was looking at their electric circuit panel, she heard squeaking floorboards upstairs realized something wasn’t right. Illinois man, 81, uses antique walking stick to beat thieves 2020-11-19T05:00:00Z The conservation of charge also leads to the concept of an electric circuit as a closed loop of electrical current. College Physics for AP Courses 2015-08-12T00:00:00Z Electronic devices that enable rectification are called diodes and are widely used to transform alternating current into direct current, protect electric circuits from excess voltage and detect electromagnetic waves. One-way supercurrent achieved in an electrically polar film 2020-08-18T04:00:00Z The winds knocked down power poles and damaged electric circuits. Do California power shutoffs work? Hard to know, experts say 2019-10-13T04:00:00Z Gursky’s classmates in an afternoon class about electric circuits on a recent Wednesday afternoon agreed they were under-informed about opportunities in trade. Students take to trade careers 2019-03-04T05:00:00Z These components are connected by an electric circuit and are contained on an ultrathin plastic substrate. Flexible self-powered biosensors 2018-09-25T04:00:00Z In this module, we shall consider a few specific types of null measurements, because they are common and interesting, and they further illuminate principles of electric circuits. College Physics for AP Courses 2015-08-12T00:00:00Z Rotors altered the path of the electric circuit with every keystroke. Forgotten heroes of the Enigma story 2018-09-02T04:00:00Z Oakland prosecutors contend it is enough to show Almena and Harris willfully created conditions that invited such disaster, even complaining to the building owner of overloaded electric circuits. Ghost Ship operator faces arraignment in Oakland 2017-06-08T04:00:00Z We may turn books into bytes, create driverless cars and soldierless wars; but even patched with plastic and titanium and attached to external electric circuits, the body is still where medicine does business. Yes, Medicine Can Use Virtual Reality, Emphasis on Reality 2016-08-15T04:00:00Z Moreover, it does so not with the electric circuits and servomotors of conventional robots, but with muscle cells engineered to mimic the elegant undulations of a living stingray. Flight of fancy 2016-07-06T04:00:00Z The cards were then slipped between a grid of mercury cups and a set of spring-loaded pins, which created an electric circuit wherever there was a hole. What Computer Innovation and Fracking Have in Common [Excerpt] 2015-03-13T04:00:00Z This completes an electric circuit with the keyboard, producing a small current. ‘Smart’ Keyboard Can ID You by How You Type 2015-03-10T04:00:00Z That’s because these two probes create an electric circuit, one providing a positive and the other a negative charge; this completed circuit allows current to flow through their body. What Happened With the Taser in LAPD Shooting Incident? 2015-03-02T05:00:00Z Just weeks after inventing the first practical incandescent light and the world’s first electric circuit, Edison decided to demonstrate his disruptive new technologies in a familiar place: his Menlo Park, New Jersey laboratory. Disruptive Innovation: The First Christmas Lights 2014-12-16T05:00:00Z This new electric circuit is usually fairly easy to extend from your main electric circuit panel. Cold feet? Not with an easy-to-install electric radiant floor heating system 2014-12-11T05:00:00Z The bra is fitted with a pressure sensor connected to an electric circuit. The bra designed to shock attackers 2013-04-15T23:49:08Z Certain laws govern the action or effects produced by a condenser when connected to an electric circuit through which an alternating or in general an undulating current is made to pass. The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting 2012-03-28T02:00:22.660Z Precisely the same is true of an electric circuit. Hertzian Wave Wireless Telegraphy 2012-01-09T03:00:20.570Z It should be noted that in the electric circuit resistance causes heat to be generated and therefore energy to be wasted, but in the magnetic circuit reluctance does not involve any similar waste of energy. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Von Sterneck introduced a most important improvement by comparing the swings of the two invariables with the same clock which by an electric circuit gave a signal at each station each second. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 4 "Grasshopper" to "Greek Language" 2011-11-28T03:00:19.517Z So that you can show others how electricity travels from here to there, and how it behaves under different conditions, make an electric circuit board. Electricity for the 4-H Scientist Idaho Agricultural Extension Service Bulletin 396, June, 1962 2011-11-18T03:00:30.487Z The bots, which feature multiple degrees of freedom, are manipulated using magnetic fields that are generated by electric circuits that lie beneath the workspace. Tiny Toilers: Precision-Controlled Microbots Show They Could Take On Industrial-Scale Jobs [Video] 2011-10-21T15:45:00.260Z Hence capacity and inductance are qualities of an electric circuit which are analogous to the elasticity and inertia of such a body as a heavy spring. Hertzian Wave Wireless Telegraphy 2012-01-09T03:00:20.570Z An inductor, because it is that part of the electric circuit in which induction takes place. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z A third clock was placed at the upper station connected by an electric circuit to the lower station. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 4 "Grasshopper" to "Greek Language" 2011-11-28T03:00:19.517Z To help others understand electricity better, draw a water system on an electric circuit board paralleling the circuit. Electricity for the 4-H Scientist Idaho Agricultural Extension Service Bulletin 396, June, 1962 2011-11-18T03:00:30.487Z If the electric circuit be interrupted, the electric matter, during the discharge, will pass to any other body that lies near its path, and instantly return. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Law of electric circuits, Ohm's law, current strength equals electromotive force divided by resistance of the circuit—George S. Ohm, Germany. The Story of Great Inventions 2011-10-05T02:00:16.353Z A small and delicately-made apparatus introduced into the mechanism of an astronomical clock or chronometer breaks or closes by the action of the clock an electric circuit every second. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z This video shows how you can create an electric circuit at home using lemons, potatoes and Jell-O dessert: http://www.youtube.com/watch?v=70gh5GrX4xI And while we’re at it, here are some other creative things you can do with Jell-O. New Batteries Made Of Jelly (Yes, Jelly) Could Provide Cheap, Safe Power 2011-09-14T20:18:01Z The darts set up a high-voltage electric circuit that causes both sensory nerves and motor nerves to go haywire. Answer on Taser danger depends on who's asking 2011-08-19T19:26:53Z We have seen that Davy produced a brilliant electric light with two pieces of charcoal in the electric circuit of a voltaic battery. Inventions in the Century 2011-07-20T02:00:14.643Z There are harmonics present in all electric circuits; whether a rat can hear them, I don’t know. F.Y.I.: Why Subway Rats Aren?t Electrocuted by the Third Rail 2011-07-16T02:14:58Z A simple explanation of how a complete electric circuit is always necessary. Autobiography of an Electron Wherein the Scientific Ideas of the Present Time Are Explained in an Interesting and Novel Fashion 2011-06-19T02:00:25.633Z That is just the way our old Tom used to sit on the back fence and talk to the moon till I rigged up a wire along there and connected it with our electric circuit. The Boy Scouts Under Fire in Mexico 2011-05-02T02:00:18.793Z Electromotive Force, the name given to the force tending to produce a flow of electricity in an electric circuit. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z The yielding hinges completed an electric circuit and an incandescent bulb lighted in the roof. Lonesome Town 2011-04-12T02:00:24.580Z Then the mercury in a little cup would overflow, and by so doing would complete an electric circuit and explode the gun-cotton. The Childrens' Story of the War, Volume 1 (of 10) From the Beginning of the War to the Landing of the British Army in France 2011-02-19T03:01:09.157Z Lenz enunciated a law which connects together the mechanical actions between electric circuits discovered by Amp�re and the induction of electric currents discovered by Faraday. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z “The speech scrambler is an electric circuit which automatically transposes voice frequencies,” the Commodore resumed. Saboteurs on the River 2011-01-28T03:00:23.967Z The other arm carries a wire coil attached to an electric circuit—in other words, an electromagnet. Weighing a kilogram: The constant gardeners 2011-01-27T10:58:13Z He added that both contained explosive powder of the kind found in fireworks, and a battery and an electric circuit that activated when the envelope was opened. Revenge Cited in Rome Embassy Attacks 2010-12-25T00:34:28Z The device was rigged to an electric circuit, and a mobile phone chip was hidden inside the printer, the statement said. Al-Qaida threatens to attack U.S. during holidays 2010-12-16T16:01:22Z He added definiteness to the idea of the self-induction or inductance of an electric circuit, and gave a mathematical expression for the current flowing out of a Leyden jar during its discharge. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z The last puzzle features a truly strange series circuit — you may need a knowledge of electric circuit components to unravel it. Numberplay: How Many Light Bulbs Does It Take ... 2010-08-30T17:02:00Z Wheatstone, in 1840, suggested measuring the speed by causing the shot to cut successive wire screens, each of which formed part of an electric circuit. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis It may be generated by a small, portable dynamo, operated by hand, or may be derived from a battery or from any convenient electric circuit. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" "I'd like to shift 'em an' go, sir, for——" At that instant the click caused by the opening of the electric circuit in the alarm was heard, followed by the striking of the joker. An Amateur Fireman Before his time, ideas on the measurable quantities with which we are concerned in an electric circuit were extremely vague. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z Diagram showing the electric circuit through each car, and illustrating the method of sending more than one car along the same wire. Harper's Round Table, October 22, 1895 The induction of a vibrating magnet upon an electric circuit. The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action Amp�re floated a voltaic battery with a coil of wire in its circuit in order to observe the effects of the earth’s magnetism on the electric circuit. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" Light as a function of the electric circuit represents a productive function; music as a function of the organ illustrates a transmissive function. Some Essentials of Religion The path in which an electric current exists is called an electric circuit, and may consist wholly of a conducting body, or partly of a conductor and insulator or dielectric, or wholly of a dielectric. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z The fourth class, namely the electrolytic conductors comprises all those substances which undergo chemical decomposition when they form part of an electric circuit traversed by an electric current. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 8 "Conduction, Electric" By means of an automatic switch the projectile, after cutting a screen, restores the electric circuit, so that successive records are registered. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" If we could put this meter in an electric circuit 54where we knew one ampere was flowing we could put a numeral “1” opposite where the pointer stood. Letters of a Radio-Engineer to His Son An electric circuit can always be completed through the ground, and when this is done, it is called grounding a circuit. Common Science The commercial unit of pressure in an electric circuit. The Automobile Storage Battery Its Care And Repair If the strikers fitted on the charges do not touch the submarine the whole line can be exploded at will from the surface ship by closing an electric circuit. Submarine Warfare of To-day How the Submarine Menace was Met and Vanquished, With Descriptions of the Inventions and Devices Used, Fast Boats, Mystery Ships Usually an electromagnetic stylus is employed, in which a scribing point suddenly moves when the electric circuit is broken by a projectile. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" Dr. Wehnelt, by an extraordinary discovery, may, in all likelihood, provide the lacking device in the form of his interrupter, which breaks an electric circuit as often as two thousand times a second. Little Masterpieces of Science: Invention and Discovery The ground completes the electric circuit which passes through the body. Common Science The touch of the keys has been greatly lightened by making the keys open air-valves or complete electric circuits which actuate the mechanism for pulling down the pallets. How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use The apparatus depends fundamentally upon the perfect balancing of the two sides of a differential electric circuit. Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man Resistance, introduced in the electric circuit, controls the amount of current that flows. Electricity for the farm Light, heat and power by inexpensive methods from the water wheel or farm engine A bar with a finger piece, which is hinged and so arranged that it will make and break contacts in an electric circuit. Electricity for Boys The most convenient way to put an air partition into an electric circuit and so to break it, or to close the circuit again so it will be complete, is to use a switch. Common Science It depends solely on the principle of light contact points in an electric circuit, whereby the vibrations of the voice are augmented. Practical Mechanics for Boys The nerve circuit may be liked to an electric circuit, and invisible impulse bringing about response in the indicator, be it the brain or the galvanometer. Sir Jagadis Chunder Bose His Life and Speeches The black specks are buoys, called circuit-closers, because they contain a delicate contrivance—a compound of mechanism and galvanism—which, when the buoys are bumped, close the electric circuit and cause the mine to explode. In the Track of the Troops The end of any electric circuit or of a body or machine which has a current passing through it. Electricity for Boys The flow of electricity in an electric circuit may be compared to the flow of the water in the tank we have been imagining. Common Science Among his inventions may be found valuable improvements in telegraphy, important telephone instruments, a system for telegraphing from moving trains, an electric railway, a phonograph, and an automatic cut-off for an electric circuit. Twentieth Century Negro Literature Or, A Cyclopedia of Thought on the Vital Topics Relating to the American Negro In the electric circuit the conducting power of the metallic wire is constant, and the intensity of the electric impulse depends on the intensity of the electric force applied. Sir Jagadis Chunder Bose His Life and Speeches The places to be visited are connected electrically with the binding screws shown, and the watchman has merely to press a button to make the electric circuit complete. Scientific American Supplement, No. 315, January 14, 1882 To unite any parts in an electric circuit. Electricity for Boys One of the most effective partitions we can put into an electric circuit is a gap of air. Common Science Waves like that were generated whenever an electric circuit was made or broken besides their occurrence from purely natural causes. Operation Terror She was a girl of strong and jealous affections, but the electric circuits in her nature were not yet established. The Debtor A Novel The mechanisms which strike the arc and feed the carbons are ingenious devices of many designs depending upon the kind of arc and upon the character of the electric circuit to which it is connected. Artificial Light Its Influence upon Civilization From the foregoing it will readily be understood how to connect up any ordinary apparatus, remembering that in all cases the magnet must be brought into the electric circuit. p. Electricity for Boys Adoption of all precautions calculated to reduce possibility of damage from either the electric circuit or from collisions. The New York Subway Its Construction and Equipment This closes an electric circuit, which passes around the magnet, thence going through the tuning fork by the binding screw, k, and thence by connections not shown in the cut back to the battery. Scientific American Supplement, No. 611, September 17, 1887 The outer end of the retort is closed by means of an inverted graphite crucible, D, to which the negative wire of the electric circuit is attached. Scientific American Supplement, No. 508, September 26, 1885 Electric waves of still greater wave-length are due to the slower oscillations in certain electric circuits caused by lightning discharges, etc. Artificial Light Its Influence upon Civilization "If the Automaton attempts to open the safe," he remarked to Eva, as he worked, "he will complete the electric circuit and it will hold him until we capture him." The Master Mystery The object of this apparatus is to close an electric circuit when the temperature of a room rises above a certain point. Scientific American Supplement, No. 441, June 14, 1884. In the case of the electric circuit, the resistance is the reciprocal of the conductivity; in the case of the magnetic circuit, the reluctance is the reciprocal of the permeability. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. The moment he appears, the electric circuit is closed and the quiescent state ceases. Doctor Claudius, A True Story Yet it is evident that the parts of the magnet from the equator to the pole were out of the electric circuit. Experimental Researches in Electricity, Volume 1 The main problem to be solved is, how to make the alarm mechanism of the clock complete an electric circuit when the alarm "goes off." Things To Make The electric circuit always tries to enlarge itself, so as to inclose as much space as possible, but the magnetic circuit always tries to make itself as compact as possible. Scientific American Supplement, No. 787, January 31, 1891 This is so arranged that the instant of touching of the point of screw, a, completes the electric circuit, in which an electromagnet of short thick wire is placed. Scientific American Supplement, No. 484, April 11, 1885 "As it would at a time of high pressure like this, when all humanity's nerves form an electric circuit," said the judge's son. The Last Shot When the fish is hooked the line will pull the brass points into contact and close the electric circuit. The Boy Mechanic: Volume 1 700 Things for Boys to Do This was that "if the electric circuit be interrupted at any place the fluid will become visible, and when it passes it will leave an impression upon any intermediate body." Masters of Space Morse, Thompson, Bell, Marconi, Carty The electromagnetic inertia, or self-inductive property of the electric circuit, causes the currents to rise and fall later in time than the electromotive forces by which they are occasioned. Scientific American Supplement, No. 787, January 31, 1891 The interior of the oven was so arranged that the 'rising' of the bread completed an electric circuit, thereby ringing a bell and switching on a red lamp. Scott's Last Expedition Volume I In the same specification he described a way of sounding the sea by an electric circuit of wires, and of giving an alarm when the temperature of a ship's hold reached a certain degree. Heroes of the Telegraph How any one acquainted with the laws of the electric circuit can make such statements is what I cannot understand. Edison, His Life and Inventions There's a reservoir below into which they drop when the electric circuit is broken. The Stark Munro Letters In the process of carding, drawing or spinning, the cotton is made to pass between rollers or other pieces forming parts of an electric circuit. Scientific American Supplement, No. 362, December 9, 1882 Faith is the pipe that brings the water, the flinging wide the shutters that the light may flood the dark room, the putting oneself into the path of the electric circuit. Expositions of Holy Scripture: the Acts By pressing the note down I complete an electric circuit which causes the tap in the cellars beneath to remain open long enough to fill the glass which always stands beneath it. The Doings of Raffles Haw This latter and the metal plate are connected in an electric circuit which includes a battery and a sensitive galvanometer. Edison, His Life and Inventions In an electric circuit the ends of two pieces of metal brought together form the point of greatest resistance in the electric circuit, and the abutting ends instantly begin to heat. Oxy-Acetylene Welding and Cutting Electric, Forge and Thermit Welding together with related methods and materials used in metal working and the oxygen process for removal of carbon The transformer consists of a magnetic circuit of laminated iron or mild steel interlinked with two electric circuits, one, the primary, receiving electrical energy and the other the secondary, delivering it to the consumer. Marvels of Modern Science Faith, that is trust, with its appropriate and necessary sequels of desire and expectation and obedience, is the completing of the electric circuit, and after it the spark is sure to come. Expositions of Holy Scripture: the Acts For example, if we know the electromotive force or difference of potential in volts and the resistance in ohms of an electric circuit, we can easily find the current in amperes. The Story of Electricity Bell was undoubtedly the first inventor of the art of transmitting speech over an electric circuit, but, with his particular form of telephone, the field was circumscribed. Edison, His Life and Inventions It was as though the contact closed an electric circuit that instantaneously vitalized the quiet clod that had lain motionless so long. Tarzan the Untamed The two plates and the carbon button form part of an electric circuit containing a battery and a galvanometer. Edison, His Life and Inventions He also placed some of these refractory metals directly in the circuit, bringing them to incandescence, and used silicon in powdered form in glass tubes placed in the electric circuit. Edison, His Life and Inventions |
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