Principles of Physics 11th ISV Edition · Maxwell's Equations; Magnetism of Matter · Problem 27
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Walker, Halliday & Resnick — Maxwell's Equations; Magnetism of Matter: Problem 27
27 A Rowland ring is formed of ferromagnetic material. It is circular in cross section, with an inner radius of 5.0 cm and an outer radius of 6.0 cm, and is wound with 600 turns of wire. (a) What current must be set up in the windings to attain a toroidal field of magnitude \(B_0 = 0.12 \text{ mT}\)? (b) A secondary coil wound around the toroid has 50 turns and resistance \(8.0 \text{ \Omega}\). If, for this value of \(B_0\), we have \(B_M = 800 B_0\), how much charge moves through the secondary coil when the current in the toroid windings is turned on?
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주어진 조건: 27 A, 5.0 cm, 6.0 cm
구하는 것: (a) What current must be set up in the windings to attain a toro; (b) A secondary coil wound around the toroid has 50 turns and re
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Principles of Physics · 11th ISV Edition
저자: Walker, Halliday & Resnick
출판사: Wiley
단원: Maxwell's Equations; Magnetism of Matter