*(a) If B = f 0.2 cos (T), what is the magnetic force acting on the wire? (b) How much work is required to rotate the wire once about the z axis in the negative direction (while maintaining r = 4 cm)? (c) At what angle o is the force a maximum?

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5.5 In a cylindrical coordinate system, a 2 m long straight wire
carrying a current of 5 A in the positive z direction is located at
r = 4 cm, p = π/2, and -1 m≤ z≤1 m.
Transcribed Image Text:5.5 In a cylindrical coordinate system, a 2 m long straight wire carrying a current of 5 A in the positive z direction is located at r = 4 cm, p = π/2, and -1 m≤ z≤1 m.
(a) If B = f 0.2 cos p (T), what is the magnetic force acting
on the wire?
(b) How much work is required to rotate the wire once about
the z axis in the negative direction (while maintaining
r = 4 cm)?
(c) At what angle o is the force a maximum?
Transcribed Image Text:(a) If B = f 0.2 cos p (T), what is the magnetic force acting on the wire? (b) How much work is required to rotate the wire once about the z axis in the negative direction (while maintaining r = 4 cm)? (c) At what angle o is the force a maximum?
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