F= N Part B F= N What is the direction of the magnetic forceacting on the wire i

Question

F=        N Part B
F=          N What is the direction of the magnetic forceacting on the wire in Part B due to the applied magneticfield? a) due north b) due south c) due east d) due west Which of the following situations wouldresult in a magnetic force on the wire that points due north? What is the direction of the magnetic forceacting on the wire in Part B due to the applied magneticfield? a) due north b) due south c) due east d) due west Which of the following situations wouldresult in a magnetic force on the wire that points due north? a) Current in the wire flows straight down; the magnetic fieldpoints due west. b) Current in the wire flows straight up; the magnetic fieldpoints due east. c) Current in the wire flows due east; the magnetic fieldpoints straight down. d) Current in the wire flows due west and slightly up; themagnetic field points due east. F=         N

Explanation / Answer

east -- x, north -- y, up -- z L = 0.30 m j I = 0.50 A B = 0.5*10-4 T [cos(38) j - sin(38) k] F = IL x B = -0.50*0.30*0.5*10-4 sin(38) i =-4.62*10-6 N i B = -0.55 T k F = IL x B = -0.50*0.30*0.55 i = -0.0825 N i direction: due west a) F = IL x B ==> (-k) x (-i) = j b) k x i = j c) i x (-k) = j d) [(-i) + k] x (i) = j e) [(-i) + (-k)] x (-k) = (-j) so answer: abcd B = -0.55 T j, L = 0.30 j F = IL x B = 0

Related Questions

Navigate

• Browse (All)
• Browse F
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.