Electricity and magnetism for advanced students (1920)
Starling, Sydney George, 1873- · London Longmans, Green · leaf 381
laare di-awn in Fig. 341, and thedotted curve is drawn for the product IiL. Owing to the phasedifference between Ij and I3 being greater than 90° (compare with Fig.326, where the phase difference is less than 90^) the positive loops a,which indicate an attraction owing to the currents being in the… … with p, and with the square of the current I,,. Hehce, to get largeeffects, currents of considerable value and of high frequency arenecessary. The resistance of A plays an important part in the phenomenon,for the lower the z-esistance the greater the induced current in it andthe larger the effect.…
Electricity · Magnetism
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