Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 154
one dyne, the mag- PRINCIPLES OF DYNAMO-ELECTRIC MACHINERY 137 netic field is said to be of unit strength. This unit is knownas the centimeter-grara-second (c.g.s.) unit and is equivalent 1 to pounds. 445000 Therefore, one line of magnetie force is just what theterm would imi)ly; namely, a force,… … Fig. 138.—Shows a repulsion between two lilce magnetic poles. are placed 1 cm. apart in air and repel each other with a forceof one dyne, they arc said to be of unit strength. Unit Electromotive Force.^—Taking a magnet having afield of unit strength, that is, one line of force per squarecentimeter,…
Electric machinery
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
