Laboratory exercises in physics for secondary schools (1906)
Twiss, George Ransom, b. 1863 · Chicago, Scott, Foresman and company · leaf 149
71-376 M & T 207- T 195-204, 389,390,393 W & H 278, 281-284 214,226-228 Purpose. — It is proposed to investigate themagnetic field about a current-bearing conductor. MAGNETISM AND ELECTRICITY 127 (a) When straight. (5) When in a single loop.(e) When in a helix. (rf) When in a flat coil(e)… … Fig. 25. — Conductors arranged so that their fields of electromagneticforce can be mapped. book. Iron filings, sifter, and compass are providedas in Exercise 33; also a square and a rectangle ofsoft sheet-iron. Operations and Observations. — (a) Dip the barewire, A. into the box of filings, and…
Physics
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