The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, Literature and General Information, المجلدات 9-10Hugh Chrisholm University Press, 1910 |
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الصفحة 180
... AMPERE- METER ; ELECTROMETER ; GALVANOMETER ; VOLTMETER ; WHEATSTONE'S BRIDGE ; POTENTIOMETER ; METER , ELECTRIC ; ELECTROPHORUS ; LEYDEN JAR ; & C . electrical needle and proved that innumerable bodies he called electrica , when rubbed ...
... AMPERE- METER ; ELECTROMETER ; GALVANOMETER ; VOLTMETER ; WHEATSTONE'S BRIDGE ; POTENTIOMETER ; METER , ELECTRIC ; ELECTROPHORUS ; LEYDEN JAR ; & C . electrical needle and proved that innumerable bodies he called electrica , when rubbed ...
الصفحة 184
... Ampère presented to the French Academy of Sciences an important memoir , in which he summed up the results of his own and D. F. J. Arago's previous investigations in the new science of electromagnetism , and crowned that labour by the ...
... Ampère presented to the French Academy of Sciences an important memoir , in which he summed up the results of his own and D. F. J. Arago's previous investigations in the new science of electromagnetism , and crowned that labour by the ...
الصفحة 185
... Ampère showed that a magnet could be made to rotate on its own axis when a current was passed through it . The difficulty in this case consisted in discovering means by which the current could be passed through one half of the magnet ...
... Ampère showed that a magnet could be made to rotate on its own axis when a current was passed through it . The difficulty in this case consisted in discovering means by which the current could be passed through one half of the magnet ...
الصفحة 186
... Ampère , the rule being that the direction of the induced current is always such that its electrodynamic action tends to oppose the motion which produces it . Neumann in 1845 did for electromagnetic induction what Ampère did for ...
... Ampère , the rule being that the direction of the induced current is always such that its electrodynamic action tends to oppose the motion which produces it . Neumann in 1845 did for electromagnetic induction what Ampère did for ...
الصفحة 187
... Ampère immediately after Oersted's discovery . It was established by the work of Weber and Gauss at Göttingen in 1836 ... ampere - balances , voltmeters and electrometers , and double bridge , are elsewhere described in detail ( see ...
... Ampère immediately after Oersted's discovery . It was established by the work of Weber and Gauss at Göttingen in 1836 ... ampere - balances , voltmeters and electrometers , and double bridge , are elsewhere described in detail ( see ...
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acid action al-din Alexandria alternating current amirs ancient angles army became body British Cairo caliph called canal centre century charge chemical church circuit conductor connexion copper Coptic curve death density desert dielectric direction disk distance dynamo Edwards eggs Egyptian electric current electric force electrified electrodes electrolyte electromagnetic electromotive force electroscope elements England English equation Greek important induction insulated ions iron J. J. Thomson Khartum khedive king Kingdom land later Leyden jar London Lord magnetic force Mahommed Malik Mamelukes measure Mehemet Mehemet Ali ment metal monuments native Nile Osman Digna Pasha period plane plate position potential pressure produced quantity railway reign result Roman solution strain stress Suakin Sudan sultan surface Syria temple theory tion tombs town traction troops unit Upper Egypt Wadi Halfa waves wire XIIth Dynasty