FormulaCircular Motion in the Magnetic Field (Period, Charge, Mass) $$ T ~=~ 2 \, \pi \frac{ \class{brown}{m} }{ |q| \, \class{violet}{B} } $$
FormulaLorentz force (magnetic field, velocity) $$ \class{green}{F} ~=~ q \, \class{blue}{v} \, \class{violet}{B} $$
VideoLevel 2 (suitable for students)Lorentz force simply explained in 6 minutes! In this video you will learn how to determine the direction of the Lorentz force using left/right hand rule and how this force is calculated and related to the centripetal force.
FormulaHall Effect (Voltage, Hall Coefficient, Current, B-Field) $$ U_{\text H} ~=~ A_{\text H} \, \frac{I \, \class{violet}{B}}{d} $$
LessonLevel 3 (for advanced students)Hall Effect: A Simple Explanation of How Hall Voltage is Created Explanation of what the Hall effect is, how exactly the Hall voltage is generated and how you can calculate it and the Hall constant.
FormulaHall Effect (Hall Voltage, Charge Carrier Density) $$ U_\text{H} ~=~ \frac{1}{n \, q} ~ \frac{I \, \class{violet}{B}}{d} $$
VideoLevel 2 (suitable for students)Hall Effect and a SIMPLE Derivation of The Hall Voltage Learn what the Hall effect is, how the Hall voltage is generated in a current-carrying bar in a magnetic field, and how this voltage is derived.
VideoLevel 3 (for advanced students)Inductive reactance of a coil briefly explained Learn what inductive reactance is and how to determine it for a coil (inductor) in an AC circuit.
LessonLevel 2 (suitable for students)Inductive Reactance of a Coil Learn what inductive reactance is and how to determine it for a coil in an AC circuit.
VideoLevel 2 (suitable for students)Capacitive reactance of a capacitor briefly explained In this short video you will learn what the reactance of a capacitor is and how to calculate it.
