An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 131
around acircular wooden ring (Fig. 63). We find by experiment thatthere is no magnetic field or flux outside the ring and that thefield inside the coils represents a very simple magnetic circuit.The arrowheads in the diagram represent the direction of themagnetic flux along concentric circles. If… … Turns ofInsulated Wire Fig. 63. — Magnetic circuitin the form of a ring woundwith wire. we have a magnetic circuit made up entirely of iron. If weplunge such a magnetized ring into iron filings, we shall not observe any poles. This shows thatthe magnetic flux has a complete cir-cuit within the…
Electricity · Magnetism
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