Three coplanar parallel straight wires carry equal currents I as shown below. The current in the outer wires is directed to the right, and that in the middle wire is directed to the left. Each pair of wires is a distance a apart. The direction of the magnetic force on the middle wire I Select one: a. is up out of the plane of the wires. b. is down into the plane of the wires. c. cannot be defined, because there is no magnetic force on the middle wire. d. is in the plane of the wires, directed upwards.

Three coplanar parallel straight wires carry equal currents I as shown below. The current in the outer wires is directed to the right, and that in the middle wire is directed to the left. Each pair of wires is a distance a apart. The direction of the magnetic force on the middle wire I Select one: a. is up out of the plane of the wires. b. is down into the plane of the wires. c. cannot be defined, because there is no magnetic force on the middle wire. d. is in the plane of the wires, directed upwards.

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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Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.

Question

Three coplanar parallel straight wires carry equal currents I as shown below. The current in the
outer wires is directed to the right, and that in the middle wire is directed to the left. Each pair of
wires is a distance a apart. The direction of the magnetic force on the middle wire
Select one:
a. is up out of the plane of the wires.
b. is down into the plane of the wires.
C. cannot be defined, because there is no magnetic force on the middle wire.
d. is in the plane of the wires, directed upwards.

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