The resistance of the electromagnet winding made of IU

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Uploaded: 12.02.2016
Content: Задача 5.rar (7,44 kB)

Description

The resistance of the electromagnet winding made of copper wire at 20 ° C was 1.9 ohms and after long-term operation was 2.4 ohms. To what temperature heated coil?

Additional information

A detailed solution to the problem. Skill in Microsoft Office 2003, the formula in MathType

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