A coil wound 3000 turns in the form of an air-cored torus with a square cross section. The inner diameter of the torus is 60mm and the outer diameter is 100mm. The coil current is 0.3A. (a) Determine the maximum and minimum values of the magnetic field intensity within the roidal coil. (b) Determine the magnetic flux within the torus. (c) Determine the average flux density across the torus and compare it with the flux density idway between the inner and outer edges of the coil.

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A coil wound 3000 turns in the form of an air-cored torus with a square cross section. The
inner diameter of the torus is 60mm and the outer diameter is 100mm. The coil current is
0.3A.
(a) Determine the maximum and minimum values of the magnetic field intensity within the
toroidal coil.
(b) Determine the magnetic flux within the torus.
(c) Determine the average flux density across the torus and compare it with the flux density
midway between the inner and outer edges of the coil.
Transcribed Image Text:1. A coil wound 3000 turns in the form of an air-cored torus with a square cross section. The inner diameter of the torus is 60mm and the outer diameter is 100mm. The coil current is 0.3A. (a) Determine the maximum and minimum values of the magnetic field intensity within the toroidal coil. (b) Determine the magnetic flux within the torus. (c) Determine the average flux density across the torus and compare it with the flux density midway between the inner and outer edges of the coil.
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