Formelsammlung (PDF), mit der du fast jede Physikaufgabe meisterst ✅ Enthält 206 relevantesten Formeln✅ Ohne Vektoren und Integrale✅ Mit vielen Illustrationen✅ Fürs Physikabitur und Studium Learn more
Current-carrying coil with dimensions and magnetic field FormulaLong Coil (Magnetic Field, Mumber of Turns, Current) $$ \class{violet}{B} ~=~ \mu_0 \, \mu_{\text r} \, \frac{ \class{red}{I} \, N }{ l } $$
Helmholtz Coil with Dimensions FormulaHelmholtz Coil (B-Field, Same Current Direction) $$ \class{violet}{B}(z) = \frac{\mu_0 \, I \, R^2 \, N}{2} \, \left[ \left( (z-d/2)^2 + R^2 \right)^{-3/2} + \left( (z+d/2)^2 + R^2 \right)^{-3/2} \right] $$
Magnetic force (Lorentz force) on a current-carrying conductor FormulaCurrent-Carrying Wire in Magnetic Field (Force, Current, Length) $$ \class{green}{F} ~=~ \class{blue}{I} \, L \, \class{violet}{B} $$
Electric Field Graph (inside / outside) - Solid sphere FormulaSolid Sphere (E-field Inside) $$ E(r) ~=~ \frac{Q}{4\pi \varepsilon_0 \, R^3} \, r $$
Hall effect with Electrons FormulaHall Effect (Voltage, Hall Coefficient, Current, B-Field) $$ U_{\text H} ~=~ A_{\text H} \, \frac{I \, \class{violet}{B}}{d} $$
Lorentz force: electron in a magnetic field FormulaCyclotron Frequency (B-field, Charge, Mass) $$ f ~=~ \frac{|q| \, \class{violet}{B}}{2\pi \, \class{brown}{m}} $$
Electric Field Graph (inside / outside) - Solid sphere FormulaSolid Sphere (E-Field Outside) $$ E(r) ~=~ \frac{1}{4\pi \varepsilon_0}\frac{Q}{r^2} $$
Basic Setup of a Velocity Filter FormulaIdeal Velocity Filter (Magnetic Field, Voltage) $$ \class{blue}{v} ~=~ \frac{1}{d} \, \frac{U}{\class{violet}{B}} $$
B-field along the z-axis (graph) of a current-carrying ring FormulaB-Field of a Current-Carrying Ring $$ \class{violet}{B}(z) ~=~ \frac{\mu_0 \, I}{2} \, \frac{ R^2 }{ (R^2 ~+~ z^2)^{\frac{3}{2}} } $$
