THE_GIVEN_VARIABLE_LOSSES_ARE_5KW_FR_A_500_KVA,_11_KV,_3-PHASE_STAR_CONNECTED_ALTERNATOR_HAVING_ARMATURE_RESISTANCE_OF_4_OHMS._CALCULATE_THE_CURRENT_AT_WHICH_MAXIMUM_EFFICIENCY_OCCURS?$

THE_GIVEN_VARIABLE_LOSSES_ARE_5KW_FR_A_500_KVA,_11_KV,_3-PHASE_STAR_CO

1.	THE_GIVEN_VARIABLE_LOSSES_ARE_5KW_FR_A_500_KVA,_11_KV,_3-PHASE_STAR_CONNECTED_ALTERNATOR_HAVING_ARMATURE_RESISTANCE_OF_4_OHMS._CALCULATE_THE_CURRENT_AT_WHICH_MAXIMUM_EFFICIENCY_OCCURS?$
A.	20.4A
B.	10.2A
C.	40A
D.	26A
Answer» B. 10.2A

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THE_GIVEN_VARIABLE_LOSSES_ARE_5KW_FR_A_500_KVA,_11_KV,_3-PHASE_STAR_CONNECTED_ALTERNATOR_HAVING_ARMATURE_RESISTANCE_OF_4_OHMS._CALCULATE_THE_CURRENT_AT_WHICH_MAXIMUM_EFFICIENCY_OCCURS?$

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