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i believe i can do that i found a new formula I=(density*Length)/area * volts and when i worked the problem it came out to be something about 3740T.
[FONT=Arial][B]You have a 12 volt car battery and a supply of #18 gauge copper wire. If you make a solenoid 30cm long and 8cm in diameter, winding two layers of wire along the length of the solenoid, what will be the strength of the magnetic field at teh center of teh solenoid when connected to...