Elements of Electrical Engineering |
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Page 24
... joules . This energy in turn is found to be equal to the product of the resistance R ( in ohms ) of the conductor through which the electric current is flowing , the square of the current magnitude ( in amperes ) , and the duration of ...
... joules . This energy in turn is found to be equal to the product of the resistance R ( in ohms ) of the conductor through which the electric current is flowing , the square of the current magnitude ( in amperes ) , and the duration of ...
Page 233
... joules or ergs ( 10-14 ) When L is in henrys and I is in amperes , the result is in joules ; but with L in abhenrys and I in abamperes , the result is in ergs . This is a far more useful formula for energy storage than the one ...
... joules or ergs ( 10-14 ) When L is in henrys and I is in amperes , the result is in joules ; but with L in abhenrys and I in abamperes , the result is in ergs . This is a far more useful formula for energy storage than the one ...
Page 332
... joules 1 Kwhr = 3,415 heat units 367,100 kg - m 0.234 lb carbon oxidized with perfect efficiency 3.52 lb water evap ... joules 0.13826 kg - m 0.0000003766 kwhr 0.0012861 heat unit 0.0000005 hp - hr 1 Lb water evap from and at 212 ° F ...
... joules 1 Kwhr = 3,415 heat units 367,100 kg - m 0.234 lb carbon oxidized with perfect efficiency 3.52 lb water evap ... joules 0.13826 kg - m 0.0000003766 kwhr 0.0012861 heat unit 0.0000005 hp - hr 1 Lb water evap from and at 212 ° F ...
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abamperes alternating current aluminum ammeter ampere ampere-hour anode applied armature atoms axis battery cable capacitance cathode cell cent centimeter charge circuit of Fig coefficient condenser conductivity conductor constant copper core coulombs current flowing deflection determine diameter dielectric direct current direction discharge efficiency electric field electrolyte electrons energy storage equation expressed field intensity flux density force G₁ galvanometer gausses grid heat illustrated inductance instrument insulation internal resistance iron Joule's law joules load loop magnetic field material maxwells measured metallic meter microcoulombs motor negative obtained oersteds Ohm's law ohms oxide parallel permeability plate current potential gradient Prob produced radius resistor result rheostat shown in Fig shunt solenoid solution statcoulombs statvolts steel sulfate supply temperature terminal voltage tion torque tube units velocity voltage drop voltmeter volts watts winding zero zinc