Electricity for public schools and colleges . other. This is a convenientrepresentation, and though not an accurate one, will not invali-date the very general results at which we shall arrive. (I.) A magnetic cylinder.— i. represents a cylinder of of the little spheres A B C D would, if it stood alone, be mag-netised in the direction of the lines of force of the field. Tnisis represented by the lettering n s in each. There is, however,inductive action between the spheres, each ;/ or s inducing an ^ or /? CH. XX. SOLENOIDS AND ELECTRO-MAGNETS 331 respectively in the nearest porti
Electricity for public schools and colleges . other. This is a convenientrepresentation, and though not an accurate one, will not invali-date the very general results at which we shall arrive. (I.) A magnetic cylinder.— i. represents a cylinder of of the little spheres A B C D would, if it stood alone, be mag-netised in the direction of the lines of force of the field. Tnisis represented by the lettering n s in each. There is, however,inductive action between the spheres, each ;/ or s inducing an ^ or /? CH. XX. SOLENOIDS AND ELECTRO-MAGNETS 331 respectively in the nearest portion of the neighbouring total result will be that each little sphere is magnetised, notalong the lines of the field, but in a direction represented by n sof fig. ii., lying between the direction of the field and the direc-tion of the cylinder. Thus each little sphere is acted upon by a couple tending todrag ;/ s into the direction of the lines of the field {see Chapter II.§ 12). Hence there will be a couple acting upon the whole.
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Keywords: ., bookcentury1800, bookdecade1890, bookpubl, booksubjectelectricity
