. The Bell System technical journal . Fig. 6—Hysteresis loops of hard iron, with increasing maxinmni fields. Calibration of the CircuitThe circuit is calibrated by passing a known current through theprimary of a known mutual inductance, the secondary of which isconnected in series with the search coil S. By measurement of the A MAGNETIC CURVE TRACER 25 deflection produced the rekition between the quantity of electricitypassing through the fluxmeter and its deflection can he this relation and other known constants the change in inductionof a magnetic specimen producing a given d
. The Bell System technical journal . Fig. 6—Hysteresis loops of hard iron, with increasing maxinmni fields. Calibration of the CircuitThe circuit is calibrated by passing a known current through theprimary of a known mutual inductance, the secondary of which isconnected in series with the search coil S. By measurement of the A MAGNETIC CURVE TRACER 25 deflection produced the rekition between the quantity of electricitypassing through the fluxmeter and its deflection can he this relation and other known constants the change in inductionof a magnetic specimen producing a given deflection ma\ he calibration may be done in the following manner: Let the. Fig. 7—Hysteresis loop of pcrniinvar, sliowing the wasp waisted loop. magnetic specimen be remo\ed, Ri and Ri-, be set on infinite resistance,the magnetizing coil F be shorted, and a change in the held currentmade which will give a convenient deflection on the drum, as shown inFig. 8.
Size: 2043px × 1223px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
