Electricity and magnetism : an elementary text-book, theoretical and practical (1920)
Glazebrook, Richard, Sir, 1854-1935 · Cambridge : The University press · leaf 400
ng itselfis in connexion with one end of the coil. The other end ofthe coil is connected to the second pole of the battery, and inthis condition the circuit is complete. The soft iron core ismagnetised by the current and attracts the hammer andspring. The contact between the platinum points is… … Fig. 243 a. The condenser is connected between the spring and thescrew. When the circuit is broken the energy of the inducedcurrent at break, instead of producing a spark between thepoints and thus drawing out the current, is employed incharging the condenser; the cessation of the current is…
Electricity · Magnetism
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