An alternating current is represented by the equation I = I∫sinπt which of the following equation represents an alternating current of frequency and amplitude twice that of the above current ?

• A. I = 2I∫Sin(πt/2)
• B. I = 2I∫Sin(2πt)
• C. I = 2ISinπt
• D. I = I∫sin(2πt)