You have a solenoid with an initial current of 386 A and a turn density of 6088 loops. m What the initial magnetic field through the solenoid? Binitial 2.95 ✔T The current in the solenoid drops to 51 A over the course of 1.1 ms. What is the final magnetic field through the solenoid? Bfinal 0.39 ✔T Inside the solenoid is a coil with 75 loops and a radius of 9.0 cm. The coil is aligned so that the magnetic field from the solenoid passes through the coil perpendicular to the plane of the coil (directly down the center of the coil). What is the magnitude of the induced emf in the 75-turn coil at the center of the solenoid during this change in magnetic field? Enter you answer as a positive number. emf=4440 ✔V The coil has a resistance of 20 2. What is the current through the coil? Icoil = What the power dissipated by the coil? Pcoil = W

You have a solenoid with an initial current of 386 A and a turn density of 6088 loops. m What the initial magnetic field through the solenoid? Binitial 2.95 ✔T The current in the solenoid drops to 51 A over the course of 1.1 ms. What is the final magnetic field through the solenoid? Bfinal 0.39 ✔T Inside the solenoid is a coil with 75 loops and a radius of 9.0 cm. The coil is aligned so that the magnetic field from the solenoid passes through the coil perpendicular to the plane of the coil (directly down the center of the coil). What is the magnitude of the induced emf in the 75-turn coil at the center of the solenoid during this change in magnetic field? Enter you answer as a positive number. emf=4440 ✔V The coil has a resistance of 20 2. What is the current through the coil? Icoil = What the power dissipated by the coil? Pcoil = W

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

You have a solenoid with an initial current of 386 A and a turn density of 6088
What is the initial magnetic field through the solenoid?
Binitial = 2.95
T
The current in the solenoid drops to 51 A over the course of 1.1 ms. What is the final magnetic field through the solenoid?
Bfinal = 0.39
T
Inside the solenoid is a coil with 75 loops and a radius of 9.0 cm. The coil is aligned so that the magnetic field from the solenoid passes through the coil perpendicular to the plane of the coil (directly down the center of the coil).
What is the magnitude of the induced emf in the 75-turn coil at the center of the solenoid during this change in magnetic field? Enter you answer as a positive number.
emf = 4440
V
The coil has a resistance of 20 . What is the current through the coil?
Icoil
A
=
loops
m
What is the power dissipated by the coil?
Pcoil
W
=

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