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 413
h thesquare of the frequency and with thesquare of the maximum flux density.257. Ways of cooling trans-formers. The losses in the coreand coils of a transformer pro-duce heat, just as in any otherpiece of electrical machinery.Therefore, to prevent injury tothe insulation, since there are nomoving… … Transformer Fig. 258. — Small transformer casefastened to a pole.
Electricity · Magnetism
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