The Encyclopedia Americana: A Library of Universal Knowledge, Količina 10Americana corporation, 1931 |
Iz vsebine knjige
Zadetki 1–3 od 80
Stran 91
... connected to the shaft at 90 degrees from each other , and re- volved in a bi - polar field , and each terminal be joined to a collector ring , we have two separate electromotive forces differing in phase by 90 degrees or a two - phase ...
... connected to the shaft at 90 degrees from each other , and re- volved in a bi - polar field , and each terminal be joined to a collector ring , we have two separate electromotive forces differing in phase by 90 degrees or a two - phase ...
Stran 166
... connected to an electric circuit or system for the purpose of protecting the system from damage by atmospheric electricity . Commonly a device connected to an aerial line either on a pole or near the point of entrance to a station , and ...
... connected to an electric circuit or system for the purpose of protecting the system from damage by atmospheric electricity . Commonly a device connected to an aerial line either on a pole or near the point of entrance to a station , and ...
Stran 217
... connected with the inner coatings of two Ley- den jars whose outer coatings are connected with the extremities of a solenoid or cylindrical spiral of perhaps 20 turns of coarse wire about 1⁄2 inch apart . Conducting cords lead to the ...
... connected with the inner coatings of two Ley- den jars whose outer coatings are connected with the extremities of a solenoid or cylindrical spiral of perhaps 20 turns of coarse wire about 1⁄2 inch apart . Conducting cords lead to the ...
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18th century acid alternating current American ampere hours amperes ancient anode armature battery became body book of Enoch cable called carbon cathode cell cent century charge chemical Church circuit coil conductors connected consists constitution Consult copper corpuscle cylinder direct direct current discharge effect Egypt Egyptian elec electric current electric energy electrode electrolyte electromotive force employed engine England English faradic feet France French furnace German Greek heat horse power inches industry insulated iron king known lamp later Leyden jar light lines literature London machine magnetic manufacture mass material mechanical ment metal miles motor nature negative operation oxide Paris period persons plants plate pole positive pounds pressure produced Prussia resistance Saint speed steam temperature term theory tion tricity tube United usually voltage volts vote wattmeter welding wire writing York