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To Charge a 120 V battery from a 600 V DC source using a DC chopper, The average battery current should be 20 A, with a peak to peak ripple of 2 A. If the chopper frequency is 200 Hz, calculate the duty cycle. 

(A) 0.2 (B) 0.1 (C) 0.5 (D) 0.6 

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