Electricity Magnetism And Electric Telegraphy a Practical Guide And Hand book
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In our eReader you can find the full English version of the book. Read Electricity Magnetism And Electric Telegraphy a Practical Guide And Hand book 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 Electricity Magnetism And Electric Telegraphy a Practical Guide And Hand book
What reading level is Electricity Magnetism And Electric Telegraphy a Practical Guide And Hand book book?
To quickly assess the difficulty of the text, read a short excerpt:
the distant station, and there to earth, is the third arm, while a rheostat, R, looped by a condenser, C, is the fourth arm. The relay, M, is placed in the cross or bridge wire. Y and W are small resistances placed in the cir- cuit to prevent any short-circuiting of the battery, and also to avoid variation of resistance when the line is changed from battery to ground, or mce versa.
The four resistances are adjusted to a suitable ratio, so that the relay does not respond at all to the outgoing c...urrent, while it must respond to the incoming current, since a certain portion of that current must necessarily pass through it to earth. The condenser in this system is adopted for the same reason as in the differential sys- tem namely, to counteract the effect of the electro-static discharge from the line by a similar one in the opposite direction from the condenser.
The great advantage of the bridge is that it can be readily used with any character of apparatus, from a relay to a Thomson galvanometer.
What to read after Electricity Magnetism And Electric Telegraphy a Practical Guide And Hand book?
You can find similar books in the "Read Also" column, or choose other free books by Thomas Dixon Lockwood to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
the distant station, and there to earth, is the third arm, while a rheostat, R, looped by a condenser, C, is the fourth arm. The relay, M, is placed in the cross or bridge wire. Y and W are small resistances placed in the cir- cuit to prevent any short-circuiting of the battery, and also to avoid variation of resistance when the line is changed from battery to ground, or mce versa.
The four resistances are adjusted to a suitable ratio, so that the relay does not respond at all to the outgoing c...urrent, while it must respond to the incoming current, since a certain portion of that current must necessarily pass through it to earth. The condenser in this system is adopted for the same reason as in the differential sys- tem namely, to counteract the effect of the electro-static discharge from the line by a similar one in the opposite direction from the condenser.
The great advantage of the bridge is that it can be readily used with any character of apparatus, from a relay to a Thomson galvanometer.
What to read after Electricity Magnetism And Electric Telegraphy a Practical Guide And Hand book?
You can find similar books in the "Read Also" column, or choose other free books by Thomas Dixon Lockwood to read onlineMoreLess
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