Practical Electrical Testing in Physics And Electrical Engineering Being a Cour
Practical Electrical Testing in Physics And Electrical Engineering Being a Cour
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In our eReader you can find the full English version of the book. Read Practical Electrical Testing in Physics And Electrical Engineering Being a Cour 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 Electrical Testing in Physics And Electrical Engineering Being a Cour
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Ballistic or inductive methods.
D. Traction methods.
E. Optical methods, which are suited for measuring the per- meability in intense magnetic fields.
In the following pages we shall only consider methods A, B, and C, and these we may now proceed with.
87. Measurement of Magnetic Permeability (Magnetometer Method).
Introduction. This method, which is very generally associated now with the name of Professor Ewing, who has employed it in a large amount of research work in magnetism undertaken by ...him, Practical Electrical Testing. 147 is one in which the magnetic qualities to be measured are deduced from the steady deflections of a suitable magnetometer needle, affected by the specimen to be tested. It is only applicable to long straight rods of the material for the following reasons. When a rod of magnetic material is uniformly wound with insulated wire and magnetized by a current sent through the coil, it develops free magnetism and definite polarity at its ends, which exerts a demagnetizing influence or force, opposing the main ^magnetizing force due to the coil.
What to read after Practical Electrical Testing in Physics And Electrical Engineering Being a Cour?
You can find similar books in the "Read Also" column, or choose other free books by George Dudley Aspinall Parr to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Ballistic or inductive methods.
D. Traction methods.
E. Optical methods, which are suited for measuring the per- meability in intense magnetic fields.
In the following pages we shall only consider methods A, B, and C, and these we may now proceed with.
87. Measurement of Magnetic Permeability (Magnetometer Method).
Introduction. This method, which is very generally associated now with the name of Professor Ewing, who has employed it in a large amount of research work in magnetism undertaken by ...him, Practical Electrical Testing. 147 is one in which the magnetic qualities to be measured are deduced from the steady deflections of a suitable magnetometer needle, affected by the specimen to be tested. It is only applicable to long straight rods of the material for the following reasons. When a rod of magnetic material is uniformly wound with insulated wire and magnetized by a current sent through the coil, it develops free magnetism and definite polarity at its ends, which exerts a demagnetizing influence or force, opposing the main ^magnetizing force due to the coil.
What to read after Practical Electrical Testing in Physics And Electrical Engineering Being a Cour?
You can find similar books in the "Read Also" column, or choose other free books by George Dudley Aspinall Parr to read onlineMoreLess
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