## Principles of Electricity and Electromagnetism |

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Page 365

11 . 7 .

that are of particular interest for alternating - current work are those which appear

when the sample is subjected to a magnetic field that is periodically reversed in ...

11 . 7 .

**Hysteresis**Curves and General Magnetic Properties . — The phenomenathat are of particular interest for alternating - current work are those which appear

when the sample is subjected to a magnetic field that is periodically reversed in ...

Page 370

For the true reproduction of an imposed wave form the characteristics should be

linear ; this implies a

area as possible . The permeability should be high and constant over a wide

range ...

For the true reproduction of an imposed wave form the characteristics should be

linear ; this implies a

**hysteresis**loop with as slight a curvature and as small anarea as possible . The permeability should be high and constant over a wide

range ...

Page 371

Also their

or molybdenum increases the initial permeability and the resistivity as well as

rendering the heat treatment less critical . Other alloys containing approximately ...

Also their

**hysteresis**losses are small . The addition of a few per cent of chromiumor molybdenum increases the initial permeability and the resistivity as well as

rendering the heat treatment less critical . Other alloys containing approximately ...

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angle applied approximately assumed atom axis becomes calculated capacity carrying cell characteristic charge circuit closed coil component condition conducting conductor connected considered constant curve density depends determined dielectric difference direction discharge discussion distance effective electric electrons element energy equal equation evident expression factor field flow flux force frequency function galvanometer given grid hence impedance important increases indicated induction integral ions known length limited linear load losses magnetic magnetic field magnitude maximum means measured mechanical metal meter method negative normal obtained oscillations parallel path period phase placed plate positive potential present produced proportional quantities radius ratio reduced region relation represents resistance respect result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero