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The minimum value of the impedance in case of the series RLC network is ___________(a) R(b) 0(c) Xl(d) XcI got this question during an internship interview.I want to ask this question from Electric Motors topic in chapter Braking of Electric Motors of Electric Drives

Answer»

The correct CHOICE is (a) R

To elaborate: The minimum value of the SERIES impedance in case of the series RLC network is R. During RESONANCE CONDITION Xl=Xc so Z=(R^2+(Xl-XC)^2)^.5=R.



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