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Calculate the steady state value for x(t)=7e^-9t.

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in Electric Drives by (99.8k points)
Calculate the steady state value for x(t)=7e^-9t.

(a) 0

(b) 8

(c) 3

(d) 1

I had been asked this question by my school principal while I was bunking the class.

My doubt is from Dynamic Braking of DC Shunt Motors topic in chapter Braking of DC Motors & Induction Motors of Electric Drives

1 Answer

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Correct answer is (a) 0

The best explanation: The steady state value is obtained at t=∞. The value of x(t) at t=∞ is 7e^-∞=4(0)=0. The term e^-9t is an exponentially decaying function.

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