OpenStax University Physics/E&M/Sources of Magnetic Fields
(Vol. 2): 5:Electric Charges and Fields 6:Gauss's Law 7:Electric Potential 8:Capacitance 9:Current and Resistance 10:Direct-Current Circuits 11:Magnetic Forces and Fields 12:Sources of Magnetic Fields 13:Electromagnetic Induction 14:Inductance 15:Alternating-Current Circuits 16:Electromagnetic Waves
Chapter 12
editSources of Magnetic Fields
edit▭ Permeability of free space
T·m/A
▭ Force between parallel wires
▭ Ampère's Law:
▭ Magnetic field due to long straight wire
▭ At center of loop
▭ Inside a long thin solenoid where is the ratio of the number of turns to the solenoid's length.
▭ Inside a toroid
▭ The magnetic field inside a solenoid filled with paramagnetic material is where is the permeability
For quiz at QB/d_cp2.12
editFree space permeability
T·m/A
Force between parallel wires
Biot–Savart law
Ampère's Law:
Magnetic field inside solenoid with paramagnetic material = where = permeability