Two long straight current-carrying wires run parallel to each other. The current in one of the wires is 4.3 A, their separation is 4.6 cm and they repel each other with a force per unit length of 2.7 x 104 N/m. (a) Determine the current in the other wire. A (b) Determine if the currents are in the same or opposite direction. O opposite O same (c) Determine what will happen if the direction of one current is reversed and tripled. (Select all that apply.) O The force per unit length is increased by a factor of 3. O The force per unit length is decreased by a factor of 3. O The wires are repelled by each other. O The wires are attracted to each other.

Two long straight current-carrying wires run parallel to each other. The current in one of the wires is 4.3 A, their separation is 4.6 cm and they repel each other with a force per unit length of 2.7 x 104 N/m. (a) Determine the current in the other wire. A (b) Determine if the currents are in the same or opposite direction. O opposite O same (c) Determine what will happen if the direction of one current is reversed and tripled. (Select all that apply.) O The force per unit length is increased by a factor of 3. O The force per unit length is decreased by a factor of 3. O The wires are repelled by each other. O The wires are attracted to each other.

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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Concept explainers

Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.

Question

Two long straight current-carrying wires run parallel to each other. The current in one of the wires is 4.3 A, their separation is 4.6 cm and they repel each other with a force per unit length of 2.7 x 10-4 N/m.
(a) Determine the current in the other wire.
A
(b) Determine if the currents are in the same or opposite direction.
O opposite
O same
(c) Determine what will happen if the direction of one current is reversed and tripled. (Select all that apply.)
O The force per unit length is increased by a factor of 3.
O The force per unit length is decreased by a factor of 3.
O The wires are repelled by each other.
V The wires are attracted to each other.

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