1.

A_STEP_DOWN_CHOPPER_HAS_INPUT_DC_VOLTAGE_OF_220_V_AND_R_=_10_‚ÄÖ√Ñ√∂‚ÀÖ√´¬¨‚ÀÇ_IN_SERIES_WITH_L_=_65_MH._IF_THE_LOAD_CURRENT_VARIES_LINEARLY_BETWEEN_11_A_AND_17_A,_THEN_FIND_THE_DUTY_CYCLE_‚ÂÀ√≠¬¨¬±.?$#

A. 1
B. 0.4
C. 0.6
D. 0.7
Answer» E.


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