Electrical Engineering / Subcategory

Magnetics

Magnetics calculators and formulas for electromagnetic induction and inductor design. Covers Faraday's law, inductance, and magnetic flux calculations.

5Formulas

All levels Difficulty

Updated Jul 2026

← All Electrical Engineering (151) Magnetics (5)

Fundamental

Magnetic Force on a Current-Carrying Wire

F = B·I·L·sin θ

Fundamental

Magnetic Field of a Solenoid

B = μ₀·n·I

Fundamental

Lorentz Force Law

F = q(E + v × B)

Fundamental

Biot–Savart Law

dB = (μ₀/4π)·(I·dl × r̂)/r²

Fundamental

Ampere's Law

∮B·dl = μ₀·I_enc