. The Astrophysical journal. a convection current through this section in one second Evp sin w A^A^ electrostatic units,and consequently -——- evp sin w A^A^ electromagnetic units. If by i we denote the current in amperes passing through theelement, we have «=—-—-evp sin w A^A^.3X10 RESEARCHES ON SOLAR VORTICES 353 On the other hand, the length of the element is sin w Now, as is well known, the magnetic action of this current-elementon one unit of north magnetism situated at the point M withco-ordinates x, y, and s will have the following components parallelwith X-, Y-, and Z-axes: I A5Px = ~i
. The Astrophysical journal. a convection current through this section in one second Evp sin w A^A^ electrostatic units,and consequently -——- evp sin w A^A^ electromagnetic units. If by i we denote the current in amperes passing through theelement, we have «=—-—-evp sin w A^A^.3X10 RESEARCHES ON SOLAR VORTICES 353 On the other hand, the length of the element is sin w Now, as is well known, the magnetic action of this current-elementon one unit of north magnetism situated at the point M withco-ordinates x, y, and s will have the following components parallelwith X-, Y-, and Z-axes: I A5Px = ~i ~7 (cos /3i cos y^ —cos 7i cos fi^ , py= — z—7 (cos yi cos a,—cos Oi cos y.),10 rj I A5 p~ = — i —r (cos ai cos /3,—cos /3i cos a,)10 r- where ri is the distance from the element to the point M; ai, /3i, 71,the angles between the current-element and the positive directionsof the X-, Y-, and Z-axes; and aa, ^2, T2, the angles between thedirection from (M) to the current-element and the same three
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectspectru, bookyear1895
