Laboratory exercises in physics for secondary schools (1902)
Twiss, George Ransom, b. 1863 · New York, London, The Macmillan company · leaf 130
mp;C452-459 H 371-376 S 226-228 T 195-204, 389, 390, 393 W & H 278, 281-284 Purpose. — It is proposed to investigate themagnetic field about a current-bearing conductor. MAGNETISM AND ELECTRICITY 101 (a) When straight. (6) When in a single loop.(V) When in a helix. (d) When in a flat coil.(e)… … Fig. 22.— Conductors arranged so that their fields of electromagneticforce can be mapped. book. Iron filings, sifter, and compass are providedas in Exercise 20; also a square and a rectangle ofsoft sheet-iron. Operations and Observations. — (a) Dip the barewire, A, into the box of filings, and make…
Physics
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