Magnetic Fields

Source: Yong P. Chen, PhD, Department of Physics & Astronomy, College of Science, Purdue University, West Lafayette, IN

Magnetic fields can be generated by moving charges, such as an electrical current. The magnetic field generated by a current can be calculated from the Maxwell equation. In addit...

Magnetic fields are fundamental to electromagnetism and underlie many practical applications ranging from compasses to magnetic resonance imaging.

Magnetic fields or B-fields can be generated by moving charges, such as an electrical current, or objects such as bar magnets due to the microscopic dynamics of charges inside the magnetic mater...