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 97
land (an American scientist), and of others, have shownthat the work represented by one joule (watt second) is equiva-lent to the heat represented by practically 0.2-1 of a calorie.Consequently, the total number of calories of heat produced, in onesecond by the current passing through the wire in a… … Coil of Resistance Wire Fig. 36. —Simple form of elec-tric calorimeter. ELECTRIC POWER AND HEATING EFFECTS 77 H = 0.24 PRtwhen H= Heat in calories, /= Current in amperes,R = Resistance in ohms, f = Time in seconds. This experimental fact, or law of nature, is sometimes calledJoules Law. By…
Electricity · Magnetism
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