Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 318
3. By altering the strength of the currentin the primary circu it. 4. By rapidly reversing the direction ofthe current in the primary circuit. 5. By moving the iron core when a currentisfloiving through the primary circuit. A momentary induced current which flows in the oppositedirection to that of… … Fig. 206.—Students Ex-perirnental Induc-tion Coil. 300 PRACTICAL ELECTRICITY. A simple form of students induction coil is illustrated in Fig. 2^6.The primary is a wooden spool wound with 2 layers of No. 15 B. &S. insulated copper wire, with the terminals securely fastened to binding posts,…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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