| 单词 | coulomb |
| 例句 | The energy is in joules for a charge in coulombs, voltage in volts, and capacitance in farads. College Physics for AP Courses 2015-08-12T00:00:00Z The coulomb is the standard unit of an electric charge. Common-sense solutions are sometimes the best ones 2017-01-24T05:00:00Z The roentgen, describing air ionization, became a measurement in coulombs per kilogram. Modernize radiation measurements to save lives 2016-09-12T04:00:00Z Because both qubits are positively charged, their motion is strongly coupled electrically through a phenomenon known as mutual coulomb repulsion. Quantum Computing with Ions [Repost] 2012-10-09T18:15:00.540Z One coulomb of electricity in passing through the cell liberates .000010352 of a gramme of hydrogen, and causes .00063344 of a gramme of zinc to dissolve in the acid. 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 The energy is in joules when the charge is in coulombs, voltage is in volts, and capacitance is in farads. College Physics for AP Courses 2015-08-12T00:00:00Z Thus the coulomb is the electrical counterpart of the gallon. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z The capacity of a conductor or condenser whose potential is raised by one volt when given a charge of one coulomb. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z Both marbles want to settle at the bottom of the bowl, but the coulomb repulsion causes them to come to rest on opposite sides, each a bit up the slope. Quantum Computing with Ions [Repost] 2012-10-09T18:15:00.540Z Again: 10 coulombs = 2 amperes × 5 seconds = 10 amperes × 1 second = 1 ampere × 10 seconds, etc. 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 This also provides us with a method for measuring the coulomb. College Physics for AP Courses 2015-08-12T00:00:00Z Ampere = The measure of the "strength" of a current, meaning one coulomb per second. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z Faraday's Law.—Faraday found that the quantity of electricity required to liberate one gramme-molecule of any radical is 96.537 coulombs for each valency of the radical. The Mechanism of Life The practical unit of quantity of electricity, the coulomb, is named after him. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 6 "Coucy-le-Château" to "Crocodile" For instance, 2 amperes in 1⁄2 hour, or 4 amperes in 1⁄4 hour will also give one ampere-hour of 3,600 coulombs. 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 How many coulombs of positive charge are there in 4.00 kg of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons? College Physics for AP Courses 2015-08-12T00:00:00Z Coulomb is the quantity of electricity defined by the condition that in the current of an amp�re the section of the conductor is traversed by a coulomb per second. Scientific American Supplement, No. 312, December 24, 1881 Electrochemical Equivalent.—The electrochemical equivalent of a radical is the weight liberated by one coulomb of electricity. The Mechanism of Life Instead of measuring the amount of electricity by the quart or pound, as in the case of material things, the unit of electrical quantity is the coulomb. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. To illustrate further the difference between coulombs and amperes, the following example is given. 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 An ampere is the flow of one coulomb through an area in one second. College Physics for AP Courses 2015-08-12T00:00:00Z Farad is the capacity defined by the condition that a coulomb in a condenser, whose capacity is a farad, establishes a difference of potential of a volt between the armatures. Scientific American Supplement, No. 312, December 24, 1881 Experiments show that a current of one ampere passing for one second, i.e., a coulomb of electricity, causes the deposition of 0.001118 gram of silver from a normal solution of a silver salt. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Another conception of this quantity may be had by remembering that a coulomb is such a quantity of current as will result from one ampere flowing one second. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. The capacity of a condenser which would contain a charge of one coulomb under one volt pressure is the farad. 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 For both the ampere and the coulomb, the method of measuring force between conductors is the most accurate in practice. College Physics for AP Courses 2015-08-12T00:00:00Z The apparatus traces a curve whose ordinates give the number of coulombs sought. Scientific American Supplement, No. 514, November 7, 1885 FARAD.—The capacitance of a condenser in which a potential difference of 1 volt causes it to have a charge of 1 coulomb of electricity. The Radio Amateur's Hand Book CAPACITY—K.—The farad is that capacity of a body, say a Leyden jar or condenser, which a coulomb of electricity will charge to the potential of a volt. The Story of Electricity So in electricity, a given amount of the current, say one coulomb, may be obtained in a second or in an hour. 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 Of course 3,600 coulombs of electricity may be obtained in any desired time. 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 The question is to know at every moment the quantity of coulombs produced by the pile. Scientific American Supplement, No. 514, November 7, 1885 AMPERE-HOUR.—The quantity of electricity transferred by a current of 1 ampere in 1 hour and is, therefore, equal to 3600 coulombs. The Radio Amateur's Hand Book It is sometimes estimated that the quantity of electricity in a flash of lightning is 1⁄10 coulomb, and the duration of the discharge 1⁄20000 part of a second. 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 One ampere-hour is simply another way of saying 3,600 coulombs. 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 So a condenser of a certain size may hold any number of coulombs, according to the electrical pressure. 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 The ampere-hour is the quantity of electricity transferred by a current of 1 ampere in 1 hour and is, therefore, equal to 3600 coulombs. The Radio Amateur's Hand Book The coulomb is the quantity of electricity transferred by a current of 1 ampere in 1 second. The Radio Amateur's Hand Book The farad is the capacitance of a condenser in which a potential difference of 1 volt causes it to have a charge of 1 coulomb of electricity. The Radio Amateur's Hand Book |
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