Key Equations
Permeability of free space | |
Contribution to magnetic field from a current element |
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Biot–Savart law | |
Magnetic field due to a long straight wire |
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Force between two parallel currents | |
Magnetic field of a current loop | |
Ampère’s law | |
Magnetic field strength inside a solenoid |
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Magnetic field strength inside a toroid | |
Magnetic permeability | |
Magnetic field of a solenoid filled with paramagnetic material |