<P> Electrical Equations: </P> <P> E b = K φ φ ω (\ displaystyle E_ (b) = K_ (\ phi) \ phi \ omega) in Laplace domain E b (s) = K φ φ ω (s) (\ displaystyle E_ (b) (s) = K_ (\ phi) \ phi \ omega (s)) (5) </P> <P> I = (V − E b R a) (\ displaystyle I = \ left ((\ frac (V - E_ (b)) (R_ (a))) \ right)) in Laplace domain I (s) = (V (s) − E b (s) R a) (\ displaystyle I (s) = \ left ((\ frac (V (s) - E_ (b) (s)) (R_ (a))) \ right)) (6) </P> <P> T = K φ Φ I (\ displaystyle T = K_ (\ phi) \ Phi \ mathrm (I)) in Laplace domain T (s) = K φ Φ I (s) (\ displaystyle T (s) = K_ (\ phi) \ Phi \ mathrm (I) (s)) (7) </P>

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