A three-phase full converter charges a battery from a three-phase supply of 230 V. The battery emf is 200 V and the internal resistance of the battery is 0.5 . Find the value of the continuous current which is flowing through the battery if its terminal voltage is 210 V

• A. 10 A
• B. 20 A
• C. 0.5 A
• D. 25 A