Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 64
Pull of a solenoid. strengths of the magnetic field and of the plunger poles toincrease, but the induced south pole of the plunger now beginsto come under the influence of the soletioid field and is repelledso that, although the north pole is still attracted, the resultantpull decreases and finally…
Electrical engineering
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