The Thermal Measurement of Energy Lectures Delivered At the Philosophical Hall
The Thermal Measurement of Energy Lectures Delivered At the Philosophical Hall
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In our eReader you can find the full English version of the book. Read The Thermal Measurement of Energy Lectures Delivered At the Philosophical Hall Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Thermal Measurement of Energy Lectures Delivered At the Philosophical Hall
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M. F. Of known strength was applied to the latter. The resistance of the wire was then measured at a known temperature and its temperature coefficient was also measured ; therefore, when in the course of a heating experiment the temperature of the water was read, the resistance of the wire could be calculated. Griffiths found also that most rapid and thorough stirring of the water was necessary in order to secure consistent or satisfactory results. He designed a most efficient stirrer which mad...e about 2000 revolutions per minute, the rise in temperature produced by the stirrer alone being in some cases equi- valent to 10 per cent, of the whole work spent in raising the temperature. The necessary correction, owing to this, was ascertained by a series of preliminary experiments.
" Griffiths' apparatus consisted of a platinum wire (diameter 0'004 in. (O'OIO cm. ), length 13 in. (33 cm. ), Lecture III 79 resistance about 9 ohms) coiled inside a cylindrical calori- meter, 8 cm. In height and 8 cm.
What to read after The Thermal Measurement of Energy Lectures Delivered At the Philosophical Hall?
You can find similar books in the "Read Also" column, or choose other free books by E H Ernest Howard Griffiths to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
M. F. Of known strength was applied to the latter. The resistance of the wire was then measured at a known temperature and its temperature coefficient was also measured ; therefore, when in the course of a heating experiment the temperature of the water was read, the resistance of the wire could be calculated. Griffiths found also that most rapid and thorough stirring of the water was necessary in order to secure consistent or satisfactory results. He designed a most efficient stirrer which mad...e about 2000 revolutions per minute, the rise in temperature produced by the stirrer alone being in some cases equi- valent to 10 per cent, of the whole work spent in raising the temperature. The necessary correction, owing to this, was ascertained by a series of preliminary experiments.
" Griffiths' apparatus consisted of a platinum wire (diameter 0'004 in. (O'OIO cm. ), length 13 in. (33 cm. ), Lecture III 79 resistance about 9 ohms) coiled inside a cylindrical calori- meter, 8 cm. In height and 8 cm.
What to read after The Thermal Measurement of Energy Lectures Delivered At the Philosophical Hall?
You can find similar books in the "Read Also" column, or choose other free books by E H Ernest Howard Griffiths to read onlineMoreLess
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