A sine wave has a frequency of 50 Hz. Its angular frequency is ________ radian/second.
Correct answer: A. 100 n
- A. 100 n
- B. 50 jt
- C. 25 JT
- D. 5 n
Explanation
Angular frequency is ω = 2πf. With f = 50 Hz, ω = 2π(50) = 100π rad/s, corresponding to option a where the symbol is rendered as n.
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