Calculate the quality factor for the R-L circuit if R=16 Ω and XL=8 Ω with supply frequency is 1 rad/sec.(a) 2(b) 6(c) 0(d) 7The question was asked by my college director while I was bunking the class.My doubt stems from Dynamic Braking of DC Shunt Motors in portion Braking of DC Motors & Induction Motors of Electric Drives

Calculate the quality factor for the R-L circuit if R=16 Ω and XL=8 �

1.	Calculate the quality factor for the R-L circuit if R=16 Ω and XL=8 Ω with supply frequency is 1 rad/sec.(a) 2(b) 6(c) 0(d) 7The question was asked by my college director while I was bunking the class.My doubt stems from Dynamic Braking of DC Shunt Motors in portion Braking of DC Motors & Induction Motors of Electric Drives
Answer» CORRECT answer is (a) 2 The best I can explain: The quality factor is defined as the ratio of the reactive power to the active power consumed. The RESISTOR ALWAYS ABSORBS active power and inductor absorbs the reactive power. ΩL=8, L=8 Henry and quality factor=R÷L=16÷8=2.

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