253-hwk-30a

253-hwk-30a - HPHY 253 Homework 30a Magnetic Fields Dr. A....

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HPHY 253 Homework 30a Magnetic Fields Dr. A. E. Bak Name 30 : 2 . Calculate the magnitude of the magnetic ±eld at a point 100 cm perpendicularly from an in±nitely long, thin, straight wire carrying a current of 1 : 00 A . 30 : 5 . Determine the magnetic ±eld at a point P located a distance x from the corner of an in±nitely long, thin wire bent at a right angle as shown in the Figure P 30 : 5 . The wire carries a steady current I . 30 : 8 . A long, thin, straight wire carries current I . A right-angle bend is made in the middle of the wire. The bend forms a circular arc of radius r as shown in Figure P 30 : 8 . Determine the magnetic ±eld at the center of the arc. 30 : 18 . Two long, thin, parallel conductors, separated by 10 : 0 cm , carry currents in the same direction. The ±rst wire carries current I 1 = 5 : 00 A , and the second wire carries current I 2 = 8 : 00 A . (a) What is the magnitude of the magnetic ±eld created by
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