. Contributions. e curve representingrate of flux variation is zero and increasing in the positive direction, theflux is a maximum. Directly above this point a, Fig. 2, at the top of thesheet a line be is drawn across the quarter inch in which this point lies Vol. I-lNo. 5. J STABILITY OF RESIDLAL MACXETISM. 364 parallel to the axis of abscissa?. Acmss tiu- next quarter inch a line cdis drawn from the extremity of the preceding line and its slope is madeequal to the negative of the ordinate ttm of the curve representing timerate of flux variation at the middle point of this quarter inch. Where
. Contributions. e curve representingrate of flux variation is zero and increasing in the positive direction, theflux is a maximum. Directly above this point a, Fig. 2, at the top of thesheet a line be is drawn across the quarter inch in which this point lies Vol. I-lNo. 5. J STABILITY OF RESIDLAL MACXETISM. 364 parallel to the axis of abscissa?. Acmss tiu- next quarter inch a line cdis drawn from the extremity of the preceding line and its slope is madeequal to the negative of the ordinate ttm of the curve representing timerate of flux variation at the middle point of this quarter inch. Wherethis line ends, another begins and crosses the next quarter inch with anegative slope equal to the ordinate of the flux rate curve at the middleof this space. The process is continued until the curve for the cycle iscompleted. If the work is carefully done the ordinate of the curve,measured downward, represents the flux variation with considerableaccuracy. If the ordinary hysteresis curve is wanted an alternating.
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