2.2.1. Magnetomotive force
Magnetic fields are caused by electric currents.
Magnetomotive force signifies the existence of a magnetic field if the current flows through a conductor loop.
(1) Current-carrying conductor loop
The current “magnetomotives” the enclosed magnetic field lines. The magnetomotive force can be increased if the same current is conducted several times through the field lines (Cp. Fig. 15). This applies for a current-carrying coil with a number of turns equalling N:
Θ = I • N
Formula sign Θ
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