International Library of Technology · Scranton, International Textbook Co. · leaf 169
e magnet comes to restwith the plane of the coil coin-ciding with the direction of themagnet. This point is usuallydetermined by a mark on apart of the support of the coil,which must be made to registerwith the pointer attached tothe magnet. The angle throughwhich the coil has been turnedis read by… … 2473. The theory of the sine galvanometer may bedemonstrated as follows: In Fig. 986, NS is a magnet which is acted on by theearths field along the line a b, the direction of the force onthe N pole being represented by the line Nc. Anotherforce is also acting on the magnet at right angles to its…
Electrical engineering
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