- #1
Spock2230
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In a Faraday flashlight, a magnet is shaken to and fro in a solenoid to induce an EMF and thus current. Something like this:
http://express.howstuffworks.com/gif/autopsy-flashlight-tube.jpg
If the solenoid were to cover the entire length of the interior, and thus the magnet is only moving within the solenoid, will there still be an effective magnetic flux linkage to induce a current? Why or why not?
I understand that Lenz law states that a current is produced because the solenoid opposes the motion of the magnet, by setting up an like pole to repel it away. So if the magnet is contained entirely within a solenoid, what will happen? Is it still able to generate an EMF?
Thanks for your help. :)
http://express.howstuffworks.com/gif/autopsy-flashlight-tube.jpg
If the solenoid were to cover the entire length of the interior, and thus the magnet is only moving within the solenoid, will there still be an effective magnetic flux linkage to induce a current? Why or why not?
I understand that Lenz law states that a current is produced because the solenoid opposes the motion of the magnet, by setting up an like pole to repel it away. So if the magnet is contained entirely within a solenoid, what will happen? Is it still able to generate an EMF?
Thanks for your help. :)
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