Henry, Joseph, 1797-1878 · Philadelphia, Printed by James Kay, Jun. & Brother · leaf 29
37 ON ELECTRO-DYNAMIC INDUCTION. Fig. 10. … helix No. 2, in the arrangement exhibited in Fig. 10. In this case the quantity of electricity in the current from the helix appears to be too small to produce any effect, unless its power is multiplied by pass¬ ing it through a conductor of many spires. 90. The next inquiry was in reference to the…
Electromagnetic induction · Electromagnetism · Electric currents
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