Electricity and magnetism for advanced students (1920)
Starling, Sydney George, 1873- · London Longmans, Green · leaf 463
t — hx) . (v-ii)(viii) VVe therefore see that their amplitudes at any point are Eeand le*^, and their phases are bx behind those at the origin. Hence, points for which x differs by the amount -p are in the same phase at the same time, and , may be looked upon as the wave-length of the disturbance.… … Fig. 389.. The values of E a_re drawn in Fig. 389, for the instant at whichthat at the origin is E, As each point goes through a harmonic changein tho value of E, the points of zero value will now travel to the right - * XIV. PROPAGATION OF WAVES IN WIRES AND CABLES 453 -with velocity J. Tliis is…
Electricity · Magnetism
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