Leumas Physics

Ampere-Maxwell Law

B_circ = μ0·(I + ε0·dΦE/dt)

What it says

The circulation of the magnetic field around a closed loop is set by the enclosed current plus the displacement current from the changing electric flux.

Symbols

SymbolQuantityDimension
B_circMagnetic circulation (T·m)M L T^-2 I^-1
ICurrent (A)I
eps0Vacuum permittivity (8.854e-12 F/m)M^-1 L^-3 T^4 I^2
mu0Vacuum permeability (1.257e-6 T·m/A)M L T^-2 I^-2
dPhiE_dtRate of change of electric flux (V·m/s)M L^3 T^-4 I^-1

Work it out

Enter what you know. No account needed.

Connects to

Filed under Electromagnetism · derive through it in the explorer