Question Detail
Question
i = I_m sin(2ωt). Frequency in Hz?
Correct Answer
Option A is the correct answer.
Detailed Explanation
General: i = I_m sin(2πf t). Here argument = 2ωt = 2(2πf)t = 4πf t. So 2πf_new = 4πf → f_new = 2f = 2×(ω/2π) = ω/π.
Hint
Compare with sin(2πft).