The New Encyclopaedia Britannica, Volume 23Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 81
Page 52
... electric circuit of which it was a part , an electric current could be detected in a separate conductor nearby . Moving a permanent magnet into and out of a coil of wire also induced a current in the wire while the magnet was in motion ...
... electric circuit of which it was a part , an electric current could be detected in a separate conductor nearby . Moving a permanent magnet into and out of a coil of wire also induced a current in the wire while the magnet was in motion ...
Page 202
... electric : see displacement , electric . flux density , magnetic , also called MAGNET- IC INDUCTION or MAGNETIC INDUCTION FIELD , a specific measure of the magnitude and direc- tion of a magnetic field ( q.v. ) . A magnetic field may be ...
... electric : see displacement , electric . flux density , magnetic , also called MAGNET- IC INDUCTION or MAGNETIC INDUCTION FIELD , a specific measure of the magnitude and direc- tion of a magnetic field ( q.v. ) . A magnetic field may be ...
Page 978
... Electric heaters are also used for domestic central heating and for materials processing in industry ( see heat pump ; electric furnace ) . In an electron tube , an electric heating ele- ment shaped in the form of a wire or ribbon is ...
... Electric heaters are also used for domestic central heating and for materials processing in industry ( see heat pump ; electric furnace ) . In an electron tube , an electric heating ele- ment shaped in the form of a wire or ribbon is ...
Common terms and phrases
19th century agricultural animals became British called centimetres central centre chemical Christian church colour County courtesy disease early east electric emperor England English Exekias Fa Ngum faience Famennian fauxbourdon Federal Ferdinand ferromagnetic fibres field film fish fluorine forces fossil France francium French function German Greek Holy Roman emperor illus important industry influence island Italian Italy king known land language later London magnetic major medieval ment methods metres military millimetres modern Museum North organization origin painting Paris passim plant plays poems political Pope popular prelim production region religious Revolution River rock Roman Rome social Spain species sq km structure style surface techniques text article covers theory tion town tradition types U.S. Civil War United usually West World World War II