Not'n:      current in winding

Not'n:      voltage applied to winding

Not'n:      resistance of winding

Not'n:      number of turns in winding

Not'n:      magnetic flux passing through surface bounded by one turn of winding

Not'n:      magnetic flux passing through surface bounded by N turns of winding

Not'n:      angle of rotor

Not'n:      angular velocity of rotor

Not'n:      angular velocity of load

Not'n:      gear ratio (load angular velocity over rotor angular velocity)

Not'n:      torque on rotor arising from electromagnetics

Not'n:      torque on rotor arising from Load

Not'n:      torque on rotor arising from Friction

Not'n:      torque on rotor arising from Load and Friction

Not'n:      inertia of rotor

Not'n:      inertia of load

Not'n:      mechanical power

Not'n:      electromagnetic power

Not'n:      power dissipated by resistance

Not'n:      power absorbed by inductance