International Library of Technology · Scranton, International Textbook Co. · leaf 95
oot-pound. Hence, the work done in foot-pounds equals .0000012 X.7373 - .00000088476 foot-pound. Ans. ELECTROMAGIVETISM.2383. If a conductor conveying a current of electricitybe brought near a freely suspended magnetic needle, the nee-dle will tend to place itself at right angles to the… … ^ Fig. 927. Space surrounding the conductor is a magnetic field. If theconductor is threaded up through a piece of cardboard, andiron filings are sprinkled on thecardboard, they will arrange them-selves in concentric circles aroundthe wire, as shown in Fig. 928.This effect will be…
Electrical engineering
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