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Home > Science > Physics   »   how do you find out the north and the south pole of a magnet

 
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Old Jun 1, 2009, 10:11 AM
rikesh30
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how do you find out the north and the south pole of a magnet

i am making a small wind turbine and i got magnets but it dosent say which side is north and which side is south.

AND I CHECKED THE INTERNET AND IT SAYS IF U WANT YOUR TURBINE TO WORK THEY HAVE TO BE ALL FACING NORTH OR ALL SOUTH

i am not sure but i think u use a compass or something else

plzz help

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Old Jun 1, 2009, 10:16 AM   #2  
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... I think you use a compass ...
Sounds like a plan to me.
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Old Jun 1, 2009, 10:18 AM   #3  
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but i dont know how to do it because i already got a compass
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Old Jun 1, 2009, 10:20 AM   #4  
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A compass will tell you the poles.
North needle of a compass(which is south)attracts to a north pole, and even the North Pole.
Opposites attract.

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Capuchin disagrees: The North Pole is a south pole.
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Old Jun 1, 2009, 08:59 PM   #5  
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yep a compass should be used.
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Old Jun 1, 2009, 09:12 PM   #6  
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If you have a compass it's easy remember opposits attrack sames repell. If you bring the magnet near the north pole of the compass and it swings away thats the north ploe if it follows the maget as you move it around the compass it's the south ploe of the magnet.

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rikesh30 agrees: thanks
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Old Jun 2, 2009, 04:35 AM   #7  
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Capichun is correct for now, didn't have to leave a negative but HAD to. Could have just corrected my statement.
The poles swap every 100-200,000 years.
What is near the Geographic North Pole, a Magnetic North or a Magnetic South?

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Perito agrees: Yes.
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Old Jun 2, 2009, 05:05 AM   #8  
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Sound like, what came first the chicken or the egg.
This case the compass must have been first, or else the north pole would be north charged?
Wonder if many civilizations being North of the equator considered they were on top of the world(northern half). Maybe our maps and Globes should be upside down, so the north pole is at the North pole.
I think they made a mistake and could never correct it, north pole up?
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Old Jun 2, 2009, 08:04 AM   #9  
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If you didn't have a compass, you could still try to make your bar magnets swing freely, with a thread, or by placing it on a light and flat floating material, which is on still water.
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Old Jun 2, 2009, 11:51 AM   #10  
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Quote:
Originally Posted by Stratmando View Post
Sound like, what came first the chicken or the egg.
This case the compass must have been first, or else the north pole would be north charged?
Wonder if many civilizations being North of the equator considered they were on top of the world(northern half). Maybe our maps and Globes should be upside down, so the north pole is at the North pole.
I think they made a mistake and could never correct it, north pole up?
They defined the direction toward the north pole as north in geographical terms. Then they defined the point of the magnetic compass that pointed towards north as magnetic north. There is no mistake, just 2 different definitions of north. The north geographical pole is a south magnetic pole.

Also you should look into the guidelines for using the reputation system. I was simply showing to the OP that your answer was not factually correct, whereas your retaliation reddie was misplaced and now i had to explain in that topic why my answer was still correct (plus there was clarification further down the page in that topic!!). Sorry if I damaged your e-persona.
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