(a) According to the right-hand rule for currents in a magnetic field, since the current is to the south, the to make the magnetic force vector point upward. magnetic field must be to the east ♥ W- B = IL F₁ = IL XB B N (b) With I to the south and B pointing east, the force on the wire is FB = ILB sin 0, which must counterbalance the weight mg of the wire. So we have the following. 1.25 E FB mg 22=m² = (²) (7) IL IL (9.80 m/s²) A) ( А .47 102 cm/m 103 g/kg /cm) (10²3 0.3 Your response differs from the correct answer by more than 10%. Double check your calculations. T
(a) According to the right-hand rule for currents in a magnetic field, since the current is to the south, the to make the magnetic force vector point upward. magnetic field must be to the east ♥ W- B = IL F₁ = IL XB B N (b) With I to the south and B pointing east, the force on the wire is FB = ILB sin 0, which must counterbalance the weight mg of the wire. So we have the following. 1.25 E FB mg 22=m² = (²) (7) IL IL (9.80 m/s²) A) ( А .47 102 cm/m 103 g/kg /cm) (10²3 0.3 Your response differs from the correct answer by more than 10%. Double check your calculations. T
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter24: Magnetic Fields
Section: Chapter Questions
Problem 80A
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