Henry, Joseph, 1797-1878 · Philadelphia, Printed by James Kay, Jun. & Brother · leaf 27
35 ON ELECTRO-DYNAMIC INDUCTION. 79. The arrangement exhibited in Fig. 8 furnishes a ready means of Fig. 8. … a coil No. 1, b coil No. 2, c coil No. 3, d helix No. 1. testing this. The primary current, as usual, is passed through coil No. 1, while coil No. 2 is placed over this to receive the induction, with its ends joined to those of coil No. 3. By this disposition the secondary current passes through…
Electromagnetic induction · Electromagnetism · Electric currents
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