Discoveries And Inventions of the Nineteenth Century
Discoveries And Inventions of the Nineteenth Century
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In our eReader you can find the full English version of the book. Read Discoveries And Inventions of the Nineteenth Century 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 Discoveries And Inventions of the Nineteenth Century
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Failing, then, to I i *r V FiG. 257. Amperes Rule.
find anything really flowing along our wire, it is still absolutely necessary, seeing there is something definite in its action, to assign a direction to the supposed current ; and it has been agreed that we shall represent the cur- rent as flowing from the positively charged body to the negatively charged body that is, in the case we have been considering, from the copper to the zinc through the wire. When this conventional representation has ...been adopted, the action on a magnetic needle can easily be defined and remembered by an artifice proposed by Ampere. In Fig. 257, let N s re- present the magnetized needle, N being the pole which points towards the north, and s the south pole. Let c be the end of the wire connected with the copper plate, and z that connected with the zinc. The current is there- fore supposed to flow in the direction indicated by the arrows in a wire above the needle and in the wire placed below. Now, suppose that a man is swimming in the current in the same direction it is flowing, and with his face towards the needle, then the north pole of the needle will always be deflected towards his left.
What to read after Discoveries And Inventions of the Nineteenth Century?
You can find similar books in the "Read Also" column, or choose other free books by Robert Routledge to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Failing, then, to I i *r V FiG. 257. Amperes Rule.
find anything really flowing along our wire, it is still absolutely necessary, seeing there is something definite in its action, to assign a direction to the supposed current ; and it has been agreed that we shall represent the cur- rent as flowing from the positively charged body to the negatively charged body that is, in the case we have been considering, from the copper to the zinc through the wire. When this conventional representation has ...been adopted, the action on a magnetic needle can easily be defined and remembered by an artifice proposed by Ampere. In Fig. 257, let N s re- present the magnetized needle, N being the pole which points towards the north, and s the south pole. Let c be the end of the wire connected with the copper plate, and z that connected with the zinc. The current is there- fore supposed to flow in the direction indicated by the arrows in a wire above the needle and in the wire placed below. Now, suppose that a man is swimming in the current in the same direction it is flowing, and with his face towards the needle, then the north pole of the needle will always be deflected towards his left.
What to read after Discoveries And Inventions of the Nineteenth Century?
You can find similar books in the "Read Also" column, or choose other free books by Robert Routledge to read onlineMoreLess
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