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Unformatted text preview: Thus, when it takes the shape of a square the value of x must be of 8 cm; that is, x = 2 cm when it encloses maximum area (which leads to a maximum torque by Eq. 2835 and Eq. 2837) of A = (0.020 m) 2 = 0.00040 m 2 . Since N = 1 and the torque in this case is given as 4.8 10 4 N . m, then the aforementioned equations lead immediately to i = 0.0030 A....
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 Spring '08
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