26-27 A straight, vertical wire carries a current of 1.25 Adownward in a region

Question

26-27

A straight, vertical wire carries a current of 1.25 Adownward in a region between the poles of a large superconducting electromagnet, where the magnetic field has a magnitude of B = 0.561 T and is horizontal.

Part A

What is the magnitude of the magnetic force on a section of the wire with a length of 1.00 cm that is in this uniform magnetic field, if the magnetic field direction is east?

Part B

What is the magnitude of the magnetic force on a section of the wire with a length of 1.00 cm that is in this uniform magnetic field, if the magnetic field direction is south?

Part C

What is the magnitude of the magnetic force on a section of the wire with a length of 1.00 cm that is in this uniform magnetic field, if the magnetic field direction is 35.0 south of west?

Part D

What angle will the magnetic force on this segment of wire make relative to the north, if the magnetic field direction is 35.0 south of west?

Explanation / Answer

A. F = BIL = 7.0125*10^-3 N , South
B. Same magnitude, west
C. Same magnitude, 35 Deg west of north
D. Same as C

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