Activity 1. Magnetic force on a current-carrying wire 5.50 1. A copper is placed in the center of an air 7.5 m gap between two magnetic poles, as shown in the figure. The field is confined to the gap and has a strength of 1.6 T. a. Determine the force on the wire when the switch is open. b. Determine the force on the wire when the 24 V switch is closed.

Activity 1. Magnetic force on a current-carrying wire 5.50 1. A copper is placed in the center of an air 7.5 m gap between two magnetic poles, as shown in the figure. The field is confined to the gap and has a strength of 1.6 T. a. Determine the force on the wire when the switch is open. b. Determine the force on the wire when the 24 V switch is closed.

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 Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

Activity 1. Magnetic force on a current-carrying wire
5.50
1.
A copper is placed in the center of an air
7.5 am
gap between two magnetic poles, as shown in the
figure. The field is confined to the gap and has a
strength of 1.6 T.
a. Determine the force on the wire when the
switch is open.
b. Determine the force on the wire when the
switch is closed.
24 V=
Photo credits to Physics: Principles and
Problems
2. A 15 A current-carrying wire has a length of 27 cm in a magnetic field of
0.79 T. Find the force on the wire when it makes the following angles with
the magnetic field lines of
a. 90°
b. 45°
C. 180°
d. 0°

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