A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 915
aw I graph connecting temperature and resisltance. The points should be very nearlyon a straight line. Draw a straight line swith a ruler to lie evenly amongst them |and produce it backwards so that thresistance of the wire at 0° C. can befound. Calling this R0, and R100 theresistance at 100° C,… … a n Fig. 826—Measurement of temperature coefficient of resistance. The potentiometer.—Provided that a wire is uniform and that a steadycurrent flows in it, there is a uniform |ffall of potential along it ; that is, thepotential difference between any two Jpoints on it is proportional to the]1length…
Physics
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