Pesquisa Imagens Maps Play YouTube Notícias Gmail Drive Mais »
Entrar
Livros Livros
" ... 15. That an alternating pressure of one volt shall mean a pressure such that the square root of the time average of the square of its value at each instant in volts is unity. "
Our Weights and Measures: A Practical Treatise on the Standard Weights and ... - Página 77
por Henry James Chaney - 1897 - 163 páginas
Visualização integral - Acerca deste livro

The Electrical Review, Volume 28

1891 - 860 páginas
...may be taken as a current of 1 ampère. 10. An alternating current of 1 ampère shall mean a current such that the square root of the time average of the square of its strength, at each instant, in amperes, is unity. • THE TELEOBAPHIC JOURNAL AND ELECTRICAL REVIEW....
Visualização integral - Acerca deste livro

Telegraphic Journal and Monthly Illustrated Review of Electrical ..., Volume 8

1891 - 680 páginas
...investigate the question, who will prepare a specification for the construction and use of the cell. 15. That an alternating pressure of one volt shall mean a pressure such that the square root of the time-average of the square of its value at each instant in volts in unity. 16. That instruments constructed...
Visualização integral - Acerca deste livro

The School of Mines Quarterly, Volume 13

1892 - 610 páginas
...investigate the question, who will prepare a specification for the construction and use of the cell. " An alternating pressure of one volt shall mean a pressure...square of its value at each instant in volts is unity." Instruments constructed on the principle of Sir W. Thomson's quadrant electrometer used idiostatically...
Visualização integral - Acerca deste livro

The School of Mines Quarterly, Volume 13

1892 - 644 páginas
...prepare a specification for the construction and use of the cell. "An alternating pressure of one volf shall mean a pressure such that the square root of...square of its value at each instant in volts is unity." Instruments constructed on the principle of Sir W. Thomson's quadrant electrometer used idiostatically...
Visualização integral - Acerca deste livro

Report of the Annual Meeting

British Association for the Advancement of Science - 1892 - 1146 páginas
...taken as a current of one ampere. 11. That an alternating current of one ampere shall mean a current such that the square root of the time average of the square of its strength at each instant in amperes is unity. 12. That instruments constructed on the principle of...
Visualização integral - Acerca deste livro

Dynamo-electric Machinery: A Manual for Students of Electrotechnics

Silvanus Phillips Thompson - 1892 - 990 páginas
...as a current of one ampere. They add that an alternating current of one ampere shall mean a current such that the square root of the time average of the square of its strength at each instant in amperes is unity. This is what is called in this book (see p. 631) one...
Visualização integral - Acerca deste livro

Report of the ... Meeting of the British Association for the ..., Volume 61

British Association for the Advancement of Science - 1892 - 1258 páginas
...taken as a current of one ampere. 11. That an alternating current of one ampere shall mean a current such that the square root of the time average of the square of its strength at each instant in amperes is unity. 12. That instruments constructed on the principle of...
Visualização integral - Acerca deste livro

The Electrical Engineer

1893 - 630 páginas
...report, may be taken as not differing from a pressure of 1 '434 volt by more than 1 part in 1,000. 15. That an alternating pressure of one volt shall mean a pressure such that the square root of the time-average of the square of its value at each inttant in volts is unity. 10. That instruments constructed...
Visualização integral - Acerca deste livro

The Theory and Practice of Absolute Measurements in Electricity and ..., Parte 2

Andrew Gray - 1893 - 560 páginas
...report, may be taken as not differing from a pressure of 1'434 volts, by more than one part in 1000.* (15) " That an alternating pressure of one volt shall mean a pressure such that the square root of the timeaverage of the square of its value at each instant in volts is unity. (16) "That instruments constructed...
Visualização integral - Acerca deste livro

Electric Light Installations: A Practical Handbook, Volume 1

Sir David Salomans - 1894 - 280 páginas
...value at each instant in volts equals unity. A standard legal alternating ampere is a current such as that the square root of the time average of the square of its strength at each instant in amperes is unity. Many types of photometers exist for measuring the unknown...
Visualização integral - Acerca deste livro




  1. A minha biblioteca
  2. Ajuda
  3. Pesquisa de livros avançada
  4. Transferir ePub
  5. Transferir PDF