A.\(i = 1,2\cos \left( {100\pi t + \dfrac{\pi }{3}} \right)\left( A \right).\)
B.\(i = 1,2\cos \left( {100\pi t - \dfrac{\pi }{3}} \right)\left( A \right).\)
C.\(i = 12\cos \left( {100\pi t - \dfrac{{2\pi }}{3}} \right)\left( A \right).\)
D.\(i = 12\cos \left( {100\pi t + \dfrac{\pi }{3}} \right)\left( A \right).\)
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Hóa Học lớp 12
