Practical Physics Fundamental Principles And Applications to Daily Live
Practical Physics Fundamental Principles And Applications to Daily Live
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In our eReader you can find the full English version of the book. Read Practical Physics Fundamental Principles And Applications to Daily Live 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 Practical Physics Fundamental Principles And Applications to Daily Live
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The es- sential part of a fuse is a strip of an alloy [Fig. 291 (a)], which melts at such a low temperature that the melted metal can do no .
. . . FIG. 291. Fuses: (a) wire fuse; (6) car- narm. Ine size 01 trie iuse tridgefuse; (c) plug fuse.
ELECTRIC POWER 333 FIG. 292. Circuit breaker.
is such that if by accident too heavy a current is sent through the wires, the fuse melts and breaks the circuit. At the mo- ment the fuse melts there is an arc across the gap which might set things on fire. S...o the fuse is commonly inclosed in an asbestos tube, as in the " cartridge fuse " [Fig. 291 (&)], or in a porcelain cup, which screws into a socket like a lamp, as in the " plug fuse " [Fig. 291 ()]. When the fuse wire melts because of excessive current, the fuse is said to "blow out. " A circuit breaker (Fig. 292) is simply a large switch which is automatically opened by an electromagnet when the cur- rent is excessive.
331. How much heat is generated by an electric current? The energy delivered to an electric heating coil, such as a flatiron, or soldering iron, is, as we have seen in section 326, El joules per second, or Elt joules in t seconds.
What to read after Practical Physics Fundamental Principles And Applications to Daily Live?
You can find similar books in the "Read Also" column, or choose other free books by Newton Henry Black to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The es- sential part of a fuse is a strip of an alloy [Fig. 291 (a)], which melts at such a low temperature that the melted metal can do no .
. . . FIG. 291. Fuses: (a) wire fuse; (6) car- narm. Ine size 01 trie iuse tridgefuse; (c) plug fuse.
ELECTRIC POWER 333 FIG. 292. Circuit breaker.
is such that if by accident too heavy a current is sent through the wires, the fuse melts and breaks the circuit. At the mo- ment the fuse melts there is an arc across the gap which might set things on fire. S...o the fuse is commonly inclosed in an asbestos tube, as in the " cartridge fuse " [Fig. 291 (&)], or in a porcelain cup, which screws into a socket like a lamp, as in the " plug fuse " [Fig. 291 ()]. When the fuse wire melts because of excessive current, the fuse is said to "blow out. " A circuit breaker (Fig. 292) is simply a large switch which is automatically opened by an electromagnet when the cur- rent is excessive.
331. How much heat is generated by an electric current? The energy delivered to an electric heating coil, such as a flatiron, or soldering iron, is, as we have seen in section 326, El joules per second, or Elt joules in t seconds.
What to read after Practical Physics Fundamental Principles And Applications to Daily Live?
You can find similar books in the "Read Also" column, or choose other free books by Newton Henry Black to read onlineMoreLess
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