Magnetic Field project

  • Thread starter Turtle
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How would one create a magnetic field?

If a science fair project I want to observe the effects of a magnetic field on plants. Is this a good idea?
How would one measure the intensity of the field?
 

megashawn

Science Advisor
430
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Well, basicly you need an electro magnet to generate a field.

You can find a pretty decent one inside of an electric pencil sharpener.

These use an ac voltage though so be carefull. Most of the time you can just open the case, remove the grinder and drive parts, and this will create a nice field. Atleast good enough to effect a plant or two.

As to measuring the intensity of the field, uhhh, brainfart,
http://www.trifield.com/gaussmeters.htm

Here is a place that sells them if you want a nice touch.

http://www.rowan.edu/colleges/las/physicsandastronomy/LabManual/labs/MeasMagFieldEarth.pdf

that might help. And I'm sure someone on here can explain it.

As to what effects it will have on a plant, I dunno.
 

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