A) \[0.4\times {{10}^{-\text{ }4}}s\]
B) \[0.2\times {{10}^{-\text{ }4}}s\]
C) \[0.5\times {{10}^{-4}}s\]
D) \[0.1\times {{10}^{-4}}s\]
Correct Answer: A
Solution :
Time constant \[=\frac{L}{R}=\frac{1.2\times {{10}^{-4}}}{3}=0.4\times {{10}^{-4}}s\]You need to login to perform this action.
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