Electricity and magnetism : an elementary text-book, theoretical and practical (1920)
Glazebrook, Richard, Sir, 1854-1935 · Cambridge : The University press · leaf 298
ontains a known mass M grammes ofwater; a resistance box may conveniently be included in thecircuit to vary the current or if preferred this can be done byaltering the number of cells. The temperature of the water 1 Care mnst be taken that the resistance is one which will carry thecurrent. 288… … Fig. 173. being well stirred. At the end of the ten minutes the currentis stopped, the temperature continues to rise for a short timeand the highest point reached is observed. Thus the total riseis found. Let this be jT C Then neglecting the loss byradiation and the heat used in raising the…
Electricity · Magnetism
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