A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 992
red that, strictlypeaking, the field is only \-rti for a very lonu solenoid, in which casethe path near tl mis is an insignificanl part of the whole path. Magnetic field due to a short solenoid.—The above law cannotbe applied to the ease of a short solenoid, as it is impossible to finda complete… … Fig. 902.—Magnetic field of a short sotenoid. ends, and have even begun to spread out within the coil. On com-parison with the lines of force due to a bar magnet (p. 778) it will beseen that the external magnetic field due to the solenoid is verysimilar to that of the magnet.There is the equivalent…
Physics
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