Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 499
ne from an extremely weaksolution. 445. (2) Magnetic action and•magnetic field of a straight cur-rent. Magnetic lines of force. Experiment 5. — Construct a low re-sistance battery of (say) four cells. Closethe circiiit and dip the wire into a littleheap of filings of soft iron. On raisingthe wire… … Fig. 373.
Physics
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