Gregg, J. B. [from old catalog] · Ada, Ohio, The University herald press · leaf 127
(7.) a, the temperaturecoefficient. 116 INDUCED CURRENTS. EXPERIMENT 55. DIRECTION OF INDUCED CURRENTS. Method*—1. Connect a galvanometer to the secondary coilof an induction coil. The coil should be placed three or fourmeters from the galvanometer. Then thrust the end of a barmagnet into the coil,… … Induction Coils. 2. Place the primary coil in place, and connect it with acell and contact key. Observe the deflection on completingthe circuit. When the needle has come to rest, break the cir-cuit, and notice the deflection. Data*—(1.) W, the direction of the windings of the sec-ondary coil; (2.)…
Physics
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