A Systematic Treatise On Electrical Measurements
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In our eReader you can find the full English version of the book. Read A Systematic Treatise On Electrical Measurements 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 A Systematic Treatise On Electrical Measurements
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In the Multicellular Electrometer, Fig. 66, a number of movable vanes are employed turn- ing between corresponding fixed plates. The force of attraction is balanced by the torsion of the wire suspending the vanes. The scale is graduated directly to volts.
The instrument is made in four different ranges, giving readings from 40 to 800 volts. It is possible with this form of electrometer to FlG 66 read as low as 15 volts.
The ordinary Thomson Quadrant Electrometer may be used to measure an altern...ating E. M. F. If the vane and one pair of quadrants be joined to a terminal from the source of p. D. And the other terminal connected to the opposite pair of quadrants. The connections are then reversed by means of a commutator and the deflection observed. The E. M. F. 'S are then proportional to 2 A/deflections.
This form of instrument is somewhat difficult to use and re- quires considerable care in the adjustments.
A special form of electrometer in which the moving vane is rectangular in shape and suspended by a fine wire, is known as the "Low Reading Electrometer.
What to read after A Systematic Treatise On Electrical Measurements?
You can find similar books in the "Read Also" column, or choose other free books by Herschel Clifford Parker to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In the Multicellular Electrometer, Fig. 66, a number of movable vanes are employed turn- ing between corresponding fixed plates. The force of attraction is balanced by the torsion of the wire suspending the vanes. The scale is graduated directly to volts.
The instrument is made in four different ranges, giving readings from 40 to 800 volts. It is possible with this form of electrometer to FlG 66 read as low as 15 volts.
The ordinary Thomson Quadrant Electrometer may be used to measure an altern...ating E. M. F. If the vane and one pair of quadrants be joined to a terminal from the source of p. D. And the other terminal connected to the opposite pair of quadrants. The connections are then reversed by means of a commutator and the deflection observed. The E. M. F. 'S are then proportional to 2 A/deflections.
This form of instrument is somewhat difficult to use and re- quires considerable care in the adjustments.
A special form of electrometer in which the moving vane is rectangular in shape and suspended by a fine wire, is known as the "Low Reading Electrometer.
What to read after A Systematic Treatise On Electrical Measurements?
You can find similar books in the "Read Also" column, or choose other free books by Herschel Clifford Parker to read onlineMoreLess
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