A_THREE-PHASE_FULL_CONVERTER_CHARGES_A_BATTERY_FROM_A_THREE-PHASE_SUPPLY_OF_230_V._THE_BATTERY_EMF_IS_200_V._FIND_THE_VALUE_OF_THE_FIRING_ANGLE_IF_THE_BATTERY_TERMINAL_VOLTAGE_IS_210_V.?$

• A. 36.54¬¨¬®‚Äö√†√ª
• B. 56.7¬¨¬®‚Äö√†√ª
• C. 89.3¬¨¬®‚Äö√†√ª
• D. 47.45¬¨¬®‚Äö√†√ª