Q S = ω r L 1 R 1 MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aacaWGrbWaaSbaaSqaaiaabofaaeqaaOGaaGjcVlaayIW7cqGH9aqp caaMi8UaaGjcVlaayIW7caaMi8UaaGjcVlaayIW7daWcaaqaaiabeM 8a3naaBaaaleaacaqGYbaabeaakiaadYeadaWgaaWcbaGaaGymaaqa baaakeaacaWGsbWaaSbaaSqaaiaaigdaaeqaaaaaaaa@4F84@
where
ω r = 2π f r MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiabeM8a3naaBaaaleaacaqGYbaabeaakiaayIW7caaMi8Uaeyypa0JaaGjcVlaayIW7caaMi8UaaGjcVlaaikdacqaHapaCcaaMi8UaaGjcVlaadAgadaWgaaWcbaGaaeOCaaqabaaaaa@4A57@ is the angular resonance frequency;
fr is the resonance frequency;
L1 is the motional inductance;
R1 is the motional resistance