NTNUJAVA Virtual Physics Laboratory
Enjoy the fun of physics with simulations!
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A man paints with his brains and not with his hands. ..."Michelangelo (1475-1564, Italian sculptor, painter, architect and poet)"
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Author Topic: MagnetNcoil  (Read 3987 times)
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ahmedelshfie
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on: May 25, 2010, 02:47:06 am » posted from:SAO PAULO,SAO PAULO,BRAZIL

This following applet is MagnetNcoil
Created by prof Hwang Modified by Ahmed
Original project MagnetNcoil

The following applet show interaction force between a circular current loop in magnetic field generated by a magnet.
You can change the location of magnet with two sliders (move in y/z direction).
The radius R of the current loop can be changed with slider,too.
Click play to trace out the magnetic field lines (produced by magnet).

Embed a running copy of this simulation

Embed a running copy link(show simulation in a popuped window)
Full screen applet or Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
  • Please feel free to post your ideas about how to use the simulation for better teaching and learning.
  • Post questions to be asked to help students to think, to explore.
  • Upload worksheets as attached files to share with more users.
Let's work together. We can help more users understand physics conceptually and enjoy the fun of learning physics!


* magnetNcoil.gif (29.53 KB, 582x579 - viewed 461 times.)
« Last Edit: July 06, 2010, 11:35:52 pm by ahmedelshfie » Logged
ahmedelshfie
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Reply #1 on: July 04, 2010, 11:25:14 pm » posted from:Uberaba,Minas Gerais,Brazil

An electromagnetic coil (or simply a "coil") is formed when a conductor (usually an insulated solid copper wire) is wound around a core or form to create an inductor or electromagnet. One loop of wire is usually referred to as a turn, and a coil consists of one or more turns. For use in an electronic circuit, electrical connection terminals called taps are often connected to a coil. Coils are often coated with varnish and/or wrapped with insulating tape to provide additional insulation and secure them in place. A completed coil assembly with taps etc. is often called a winding. A transformer is an electromagnetic device that has a primary winding and a secondary winding that transfers energy from one electrical circuit to another by magnetic coupling without moving parts. The term tickler coil usually refers to a third coil placed in relation to a primary coil and secondary coil. A coil tap is a wiring feature found on some electrical transformers, inductors and coil pickups, all of which are sets of wire coils. The coil tap(s) are points in a wire coil where a conductive patch has been exposed (usually on a loop of wire that extends out of the main coil body). As self induction is larger for larger coil diameter the current in a thick wire tries to flow on the inside. The ideal use of copper is achieved by foils. Sometimes this means that a spiral is a better alternative. Multilayer coils have the problem of interlayer capacitance, so when multiple layers are needed the shape needs to be radically changed to a short coil with many layers so that the voltage between consecutive layers is smaller (making them more spiral like).


* 180px-TeslaFlatSpiralCoil.png (40.31 KB, 180x162 - viewed 513 times.)

* Transformers.png (2.22 KB, 180x176 - viewed 436 times.)
« Last Edit: July 04, 2010, 11:27:07 pm by ahmedelshfie » Logged
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A man paints with his brains and not with his hands. ..."Michelangelo (1475-1564, Italian sculptor, painter, architect and poet)"
 
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