Problem 예제.

Multiple Choice • Views 703 • Comments 0 • Last Updated at 1 month ago

다음과 같은 전류의 초기값 $i(0_+)$ 를 구하면?

$I(s) = \dfrac{12}{2s(s+6)}$

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Solution

$\lim_{t \to 0} i(t) = \lim_{s \to \infty} s I(s)$

$\lim_{t \to 0} i(t) = \lim_{s \to \infty} s \dfrac{12}{2s(s+6)} = \dfrac{12}{\infty}=0$

Correct answer: 4