MadSci Network: Physics

Subject: Will a Faraday cage stop EM when placed in a microwave oven?

Date: Wed May 19 22:34:37 2010
Posted by Mark
Grade level: grad (non-science) School: University of Washington
City: Bellevue State/Province: Wa Country: USA
Area of science: Physics
ID: 1274333677.Ph

I have built a faraday cage and placed a 12vdc fan in side the cage with battery. The cage with the 
fan is placed in the microwave oven, 1100 watts. The cage seems to stop the fan from being 
damaged by the microwaves, it took several tries to get this right. But now when the magnetron 
comes on the fan goes off; then starts up again when the magnetron turns off. Is this an induced 
current and my wires are the antennas? Is this a ground problem? Is this a magnetic field build up? I 
am stumped. Thank you for your help.

Re: Will a Faraday cage stop EM when placed in a microwave oven?

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