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1. |
A ring having a cross-sectional area of 500 mm2, a circumference of and ϕ=800microWb 400 mm has a coil of 200 turns wound around it. Calculate the reluctance.$ |
A. | 1.68 * 10<sup>-4</sup>A/Wb |
B. | 1.68 * 10<sup>4</sup> A/Wb |
C. | 1.68 * 10<sup>6</sup> A/Wb |
D. | 1.68 * 10<sup>-6</sup>A/Wb |
Answer» D. 1.68 * 10<sup>-6</sup>A/Wb | |