1. A solenoid has 2000 turns of wire and is 125cm long and 10.0cm in diameter; see the figure. A circular wire loop of diameter 5.0 cm lies along the axis of the solenoid near the middle of its length as shown. (a) If the current in the solenoid initially is 4.0 A, find the magnetic flux through the smaller loop. (b) If the current in the solenoid is switched off and falls to zero in 2.0 s, calculate the average value of the emf induced in smaller loop as the magnetic field in the solenoid decreases to zero. 5ćm 10cm

1. A solenoid has 2000 turns of wire and is 125cm long and 10.0cm in diameter; see the figure. A circular wire loop of diameter 5.0 cm lies along the axis of the solenoid near the middle of its length as shown. (a) If the current in the solenoid initially is 4.0 A, find the magnetic flux through the smaller loop. (b) If the current in the solenoid is switched off and falls to zero in 2.0 s, calculate the average value of the emf induced in smaller loop as the magnetic field in the solenoid decreases to zero. 5ćm 10cm

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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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

1. A solenoid has 2000 turns of wire and is
125cm long and 10.0cm in diameter; see
the figure. A circular wire loop of diameter
5.0 cm lies along the axis of the solenoid
near the middle of its length as shown.
(a) If the current in the solenoid initially is
4.0 A, find the magnetic flux through the
smaller loop. (b) If the current in the
solenoid is switched off and falls to zero in
2.0 s, calculate the average value of the
emf induced in smaller loop as the
magnetic field in the solenoid decreases to
zero.
5ćm
10cm

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