The Encyclopedia Americana: A Library of Universal Knowledge, Količina 10Americana corporation, 1931 |
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Zadetki 1–3 od 49
Stran 102
... speed . The resistance is then gradually re- duced until full speed is obtained . The effect of this counter electromotive force when the resistance is cut out entirely is materially to assist the self - regulating qualities of the ma ...
... speed . The resistance is then gradually re- duced until full speed is obtained . The effect of this counter electromotive force when the resistance is cut out entirely is materially to assist the self - regulating qualities of the ma ...
Stran 208
... speed that is small in comparison with the speed of light ; m being its mass , in grammes , when the electric charge is absent . When a charged sphere is caused to move with greater and greater speed , the Faraday tubes of force shift ...
... speed that is small in comparison with the speed of light ; m being its mass , in grammes , when the electric charge is absent . When a charged sphere is caused to move with greater and greater speed , the Faraday tubes of force shift ...
Stran 229
... speed of the car is 600 feet per minute . The governor ( q . v . ) - so as not to interfere with moderate speed varia- tions from natural causes - will be set to trip at 800 feet per minute ; that is to say , as soon as the speed of the ...
... speed of the car is 600 feet per minute . The governor ( q . v . ) - so as not to interfere with moderate speed varia- tions from natural causes - will be set to trip at 800 feet per minute ; that is to say , as soon as the speed of 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