V Vocal Guru New member Mar 14, 2010 #1 magnetic field it produces...? A long, straight wire carries a current of 4.9 A. How far from this wire is the magnetic field it produces equal to the Earth's magnetic field, which is approximately 5.0 x 10-5 T?
magnetic field it produces...? A long, straight wire carries a current of 4.9 A. How far from this wire is the magnetic field it produces equal to the Earth's magnetic field, which is approximately 5.0 x 10-5 T?