93. The donut was made 50 cm long and cross-sectional a

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Uploaded: 23.06.2016
Content: fiz063_93.doc (70,5 kB)

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93. The donut was made 50 cm long and cross-sectional area of 4 cm2 to measure the magnetic permeability of iron therefrom. One of the windings of the toroid had N1 = 500 turns, and was attached to the power supply, the other had a N2 = 1000 turns and was attached to the galvanometer. Find the magnetic permeability of the iron, if you know that when you switch to the primary coil current of 1 A direction is reversed through the galvanometer was an electric charge q = 0,06 Cl. Secondary resistance 20 ohms.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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