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how to make a bar magnet from wire

 
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Jan23-11, 02:29 AM   #1
 

how to make a bar magnet from wire

a barmagnet seems to be a densly winded solenoid just with the exception that the field of the solenoid is allmost zero outside and also at its ends but strong in the inside witch doesnt agree with barmagnets
 
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Jan25-11, 11:28 AM   #2
 
How doesn't it agree with bar magnets?
 
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