Can you help with subparts a,b, and c  3. Two long, straight wires are parallel and 25 cm apart. (3a) If each wire carries a current of 50 A in the same direction, what is the magnetic forceper meter exerted on each wire? (3b) Does the force pull the wires together or push them apart?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Can you help with subparts a,b, and c 

3. Two long, straight wires are parallel and 25 cm apart.

(3a) If each wire carries a current of 50 A in the same direction, what is the magnetic forceper meter exerted on each wire?

(3b) Does the force pull the wires together or push them apart?

(3c) What happens if the currents flow in opposite directions?

This is not and will not be graded 

For a point along the y-axis of a circular current-carrying loop
21A
B =
4t (R? + y²)3/2
where R is the radius of the loop and A = TR.
For a point in the center:
Hol
B
2R
For a point a distance r away from an infinitely long straight current carrying wire
%3D
Но 21
4T r
B
In a similar way to how we derived the results above, you can derive the B-field at a point a distance
r away from the mid-point of a long straight current - carrying wire of length L:
IL
В
4t tVr2 + (L/2)²
where L is the length of the wire and I is the current in the wire.
The directions are given by the right-hand rule.
Transcribed Image Text:For a point along the y-axis of a circular current-carrying loop 21A B = 4t (R? + y²)3/2 where R is the radius of the loop and A = TR. For a point in the center: Hol B 2R For a point a distance r away from an infinitely long straight current carrying wire %3D Но 21 4T r B In a similar way to how we derived the results above, you can derive the B-field at a point a distance r away from the mid-point of a long straight current - carrying wire of length L: IL В 4t tVr2 + (L/2)² where L is the length of the wire and I is the current in the wire. The directions are given by the right-hand rule.
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