The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 540
... force between two objects charged by friction . To this force he gave the name electric . He showed that friction- al electricity occurs in many common materials and he also noted what is still regarded as one of the primary ...
... force between two objects charged by friction . To this force he gave the name electric . He showed that friction- al electricity occurs in many common materials and he also noted what is still regarded as one of the primary ...
Page 544
... force . One of these quantities , charge , has magnitude but no direction associated with it ; the other two involve both magnitude and direction and are called vectors , being represented by boldface characters ( e.g. , E for electric ...
... force . One of these quantities , charge , has magnitude but no direction associated with it ; the other two involve both magnitude and direction and are called vectors , being represented by boldface characters ( e.g. , E for electric ...
Page 564
... force it exerts . If F is expressed in newtons ( one newton is the force required to give one kilogram an acceleration of one metre per second per 4π second ) and μ is given the value = 4π X 10-7 , 107 the corresponding unit of current ...
... force it exerts . If F is expressed in newtons ( one newton is the force required to give one kilogram an acceleration of one metre per second per 4π second ) and μ is given the value = 4π X 10-7 , 107 the corresponding unit of current ...
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activity Africa agriculture America became become body called capital caused central centre century changes Christian Church continued core countries cultural demand direction early Earth East Eastern eclipse economic effect established Europe example feet field Figure flow force groups growth important income increase industry internal investment Italy kilometres known labour Lake land later less living magnetic major mantle material means measurements ment metres miles mountains move movement nature North observed occur ocean organization origin Orthodox patriarch percent period planning Pleistocene political population position possible present problems production region relatively remained result rise River rocks social society South species structure surface theory tion trade traditional United West Western