Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 161
es acrossthe gap l2 without entering the stem and the plunger tends tomove upward to reduce the gap h and downward to reduce thegap l2. The larger the current, the larger the value of fa relativeto fa + fa, and the less the tendency for the plunger to move up.With such a solenoid then, when the…
Electrical engineering
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