. The principles underlying radio communication . FlO. 14 Two emf. curves in of>f>oaite£>hase. \& cur re inductive circuit nt moments and reach their maximum values at the same mo-ments. The case of opposite phase shown in Fig. 74, in whichtwo emfs. are represented, is such that, although they passthrough their zero values at the same moments, at other timesone is always acting in the opposite direction to the phase angle is 180°. In any series circuit where the reactance is not zero theapplied emf. and the current have a difference of pMse. 54. Alternating Current
. The principles underlying radio communication . FlO. 14 Two emf. curves in of>f>oaite£>hase. \& cur re inductive circuit nt moments and reach their maximum values at the same mo-ments. The case of opposite phase shown in Fig. 74, in whichtwo emfs. are represented, is such that, although they passthrough their zero values at the same moments, at other timesone is always acting in the opposite direction to the phase angle is 180°. In any series circuit where the reactance is not zero theapplied emf. and the current have a difference of pMse. 54. Alternating Current in a Circuit Containing InductanceOnly.—Such a circuit would be approximately represented by 122 ELEMENTARY ELECTRICITY. one with a large inductance coil wound with such large wirethat only a very small resistance would be offered to the cur-rent. If an alternating emf. is applied to the circuit, an alter-nating current flows, and the changes of the current induce anemf. in the circuit which is greater, the greater the inductanceand the more rapidly the current changes; that is, the greatert
Size: 1942px × 1287px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookpublisherwashi, bookyear1922
