Electricity and Magnetism: Electrodynamics. Electrical Resistance and Capacity. The Magnetic Circuit. Electromagnetic Induction. Chemistry and Electrochemistry. Primary Batteries. Electrical MeasurementsInternational Textbook Company, 1905 |
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Altre edizioni - Visualizza tutto
Electricity and Magnetism ; Electrodynamics ; Electrical Resistance and ... Visualizzazione estratti - 1905 |
Electricity and Magnetism: Electrodynamics. Electrical Resistance and ... International Correspondence Schools Anteprima non disponibile - 2014 |
Electricity and Magnetism: Electrodynamics. Electrical Resistance and ... International Correspondence Schools Anteprima non disponibile - 2022 |
Parole e frasi comuni
ammeter ampere-hours ampere-turns amperes amperes flows ance atoms battery branches British thermal unit C. G. S. unit calculated calories capacity carbon charge chemical circular mils coil condenser conductor copper wire coulombs current flowing curve deflection depolarizer diameter dielectric difference of potential direction dynamo elec electric current electrodes electrolyte electromagnetic electromotive force element energy equal EXAMPLE fall of potential farad flux foot-pounds force per square formula galvanometer given grams heat hence hydrogen increases induction internal resistance iron joint resistance joules junctions length lines of force magnetic circuit magnetic density magnetic field magnetic substance magnetizing force magnetomotive force measured metal meter mils number of cells number of lines obtained Ohm's law ohms parallel permeability piece plates pole produced r₁ R₂ sectional area shown in Fig shunt solution specific resistance square centimeter square inch sulphate sulphuric acid temperature total number total resistance voltaic cell voltmeter volts watt-hours watts zinc
Brani popolari
Pagina 10 - The gram calorie, or small calorie (cal.), is the amount of heat required to raise the temperature of 1 gram of water 1°...
Pagina 68 - Six cells, each having an emf of 2 volts and an internal resistance of 0.3 ohms, form a series battery to send a current through a resistance of 50 ohms.
Pagina 41 - Any change in the magnetizing current will produce a change in the number of lines of force in the iron ring, which will be indicated by a swing of the galvanometer needle, and the amount of this swing will indicate the relative amount of change in the number of lines of force passing through the secondary coil.
Pagina 66 - EMF of one of the groups of 6 cells is 6 X 1.5 = 9 volts. In the same article it is stated that connecting cells in multiple, or parallel, does not change the EMF between the main conductors. In this case, each group of...
Pagina 4 - In an electrical circuit through which a direct current is flowing the power in watts is equal to the product obtained by multiplying the square of the current in amperes by the resistance of the circuit in ohms. EXAMPLE.— Determine the power expended in watts in an electrical circuit having a resistance of 183.3 ohms, through which a current of .6 ampere is flowing.
Pagina 37 - ... circuit which the lamp is not attached to. This will not tell where the ground is located but will tell you that there is a ground somewhere in the circuit. To locate the ground open the circuit at junction boxes and test each section separately.
Pagina 11 - He succeeded in obtaining photographs of the curves on the wax cylinder, a beam of light reflected from a small mirror attached 'to the vibrating disc of the phonograph being allowed to fall on a sensitive plate while the phonograph was slowly travelling.
Pagina 66 - Daniell's cells are to be used each having an EMF of 1 volt and an internal resistance of 3 ohms.
Pagina 22 - The sum of the +r conductances is the sum of the reciprocals of the resistance of each cell. When all the cells joined together in parallel are similar in kind, size, and condition, as is usually the case, the total internal resistance is equal to the resistance of one cell divided by the number of cells.