The straight wire will be our source and it creates a magnetic field that exerts a net force on each loop. (a) Draw a diagram showing the direction of the magnetic field at and the forces on each segment of each loop. (b) Rank the loops according to the magnitude of the net force exerted on each loop, greatest first. Explain your answer. (c) Find an expression (in terms of i, iL, L and D) for the net force exerted by the straight current i on loop a (square, sides length 2L) and determine its direction.
The straight wire will be our source and it creates a magnetic field that exerts a net force on each loop. (a) Draw a diagram showing the direction of the magnetic field at and the forces on each segment of each loop. (b) Rank the loops according to the magnitude of the net force exerted on each loop, greatest first. Explain your answer. (c) Find an expression (in terms of i, iL, L and D) for the net force exerted by the straight current i on loop a (square, sides length 2L) and determine its direction.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter30: Magnetic Fields And Forces
Section: Chapter Questions
Problem 82PQ
Related questions
Question
The straight wire will be our source and it creates a magnetic field that exerts a net force on each
loop.
(a) Draw a diagram showing the direction of the magnetic field at and the forces on each segment
of each loop.
(b) Rank the loops according to the magnitude of the net force exerted on each loop, greatest first.
Explain your answer.
(c) Find an expression (in terms of i, iL, L and D) for the net force exerted by the straight current
i on loop a (square, sides length 2L) and determine its direction.
Transcribed Image Text:Problem 2
The figure below shows a long straight wire with current i to the right and three wire loops. The
loop all have the same clockwise current i flowing around them. The upper edges are all at the
same distance D from the long wire and the loops all have edge lengths of either L or 2L.
a
b
C
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