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 103
Fig. 37. — Different types offuses : (a) link ; (6) cartridge;(c) plug. 82 ELECTRICITY AND MAGNETISM heating the wire that it deteriorates rapidly. Figure 38 showsan electric heater made for heating electric street cars. Suchheaters are usually placed under the car seats. The heating effects of… … Fig. 38. — Street-car electric heater. descent lamps and some other devices, which are described inlater chapters. SUMMARY OF CHAPTER III WORK means the overcoming of resistance. Work (foot pounds) = Force (pounds) Xdistance (feet). POWER means the rate of doing work. 1 horse power = 33,000 foot…
Electricity · Magnetism
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