An Elementary Treatise on Alternating CurrentsLongmans, Green, 1902 - 211 páginas |
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Página 14
... terminals of the circuit . If i is the instantaneous value of the current , the instantaneous value of the E.M.F. necessary to drive it against the resistance of the circuit alone is , by Ohm's law- ri The instantaneous E.M.F. due to ...
... terminals of the circuit . If i is the instantaneous value of the current , the instantaneous value of the E.M.F. necessary to drive it against the resistance of the circuit alone is , by Ohm's law- ri The instantaneous E.M.F. due to ...
Página 16
William Gould Rhodes. instantaneous values are e1 , c2 be applied between their respective terminals . Let also i , ią be the corresponding instantaneous values of the currents flowing in the two circuits . First consider one of the ...
William Gould Rhodes. instantaneous values are e1 , c2 be applied between their respective terminals . Let also i , ią be the corresponding instantaneous values of the currents flowing in the two circuits . First consider one of the ...
Página 23
... terminals are capable of representation by means of sine ( or cosine ) functions of the time . 19. We now proceed to obtain the relation between the current , the E.M.F. , and the constants of a circuit in which we can treat the self ...
... terminals are capable of representation by means of sine ( or cosine ) functions of the time . 19. We now proceed to obtain the relation between the current , the E.M.F. , and the constants of a circuit in which we can treat the self ...
Página 24
... TERMINALS . 20. Let L be the coefficient of self - inductance of the circuit , resistance of the circuit , constant P.D. , " " e " " i " " time from the instant when the current is " " current at any instant , made . The equation from ...
... TERMINALS . 20. Let L be the coefficient of self - inductance of the circuit , resistance of the circuit , constant P.D. , " " e " " i " " time from the instant when the current is " " current at any instant , made . The equation from ...
Página 27
... terminals of a conductor whose self - induction is 0.25 henry , and resistance 1 ohm : how long will it take the current to reach one - tenth its steady value ? Answer . 0.025 second . 4. What is the maximum value of the current in a ...
... terminals of a conductor whose self - induction is 0.25 henry , and resistance 1 ohm : how long will it take the current to reach one - tenth its steady value ? Answer . 0.025 second . 4. What is the maximum value of the current in a ...
Otras ediciones - Ver todas
An Elementary Treatise on Alternating Currents William Gould Rhodes Sin vista previa disponible - 2016 |
An Elementary Treatise on Alternating Currents William Gould Rhodes Sin vista previa disponible - 2019 |
Términos y frases comunes
alternating current alternating-current amperes Answer applied P.D. armature B.Sc C. P. Steinmetz capacity CHEMISTRY choking coil College condenser conductor constant core counter E.M.F. Crown 8vo cubic centimetre curve D.Sc di-phase currents Diagrams E.M.F. of self-induction eddy currents ELECTRICITY ELEMENTARY ENGINEERING equal equation frequency henry hysteresis i₁ Illustrations induction motor instantaneous value iron losses lags lines of force machine magnetic field maximum value mean square mono-phase mutual induction non-inductive resistance ohms output parallel periods per second phase PHYSIOLOGY Plates pole potential difference power factor power given PRACTICAL primary circuit primary current Professor published by Longmans R.M.S. value r₁ r₁² reactance respectively right angles root mean square rotation Royal 8vo Scientific Works published secondary circuit self-induction square centimetre stator synchronism terminals tions torque transformer TREATISE tri-phase v₁ vector voltage volts wattless wattmeter watts winding wire zero
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