Instructables
Picture of Electromagnet
Materials:
   1 battery(6 volt)
   2 Alligator Clips
   50 paper clips
    1 rubber band
    1 nail
    Copper wire

This instructable is fairly simple.  You will make an electromagnet using the materials listed above. 
    
    
 
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Step 1: Step 1

Picture of Step 1
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Coil Copper around nail. The tighter the copper is coiled the better it will work.  Leave a few inches of copper on the two ends of the nail.

Step 2: Step 2

Picture of Step 2
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Connect the two alligator clips to the two terminals on your battery.  Then attach the two ends to the exposed copper wire. Negative and positive do not matter.   

Step 3: Step 3

Picture of Step 3
Allow the battery to charge for a few minutes. 

Step 4: Step 4

Picture of Step 4
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Get your 50 paper clips and use your rubber band to tie them all together.  As soon as you have done this used your charged electromagnet to pick up the 50 paper clips.
ptan61 year ago
Nice....I do have one question does wrapping more layers of copper wires makes it more magnetic?and does it matter if the copper wires cross each other?
chipit ptan69 months ago

Yes the magnetomotive force is proportional to the number of turns of wire, therefore the more turns the more magnetized the nail. And crossing does not really matter, the tighter they are wound the better, what matters most in this regard is the direction of current flow so as long as the wire is consistently wrapped in the same direction you should be fine!

12010079 months ago

what kind of nail is that