FOR_A_GIVEN_POWER_SYSTEM,_ITS_ZERO_AND_MAXIMUM_REGULATION_WILL_OCCUR_AT_THE_IMPEDANCE_ANGLE_OF?$

FOR_A_GIVEN_POWER_SYSTEM,_ITS_ZERO_AND_MAXIMUM_REGULATION_WILL_OCCUR_A

1.	FOR_A_GIVEN_POWER_SYSTEM,_ITS_ZERO_AND_MAXIMUM_REGULATION_WILL_OCCUR_AT_THE_IMPEDANCE_ANGLE_OF?$
A.	45
B.	90
C.	0
D.	60
Answer» B. 90