FOR_A_CLASS_B_AMPLIFIER,_THE_UTILIZED_LOAD_POWER_IS_300W_AND_THE_DC_POWER_IS_500W,_FIND_EFFICIENCY.?$

FOR_A_CLASS_B_AMPLIFIER,_THE_UTILIZED_LOAD_POWER_IS_300W_AND_THE_DC_PO

1.	FOR_A_CLASS_B_AMPLIFIER,_THE_UTILIZED_LOAD_POWER_IS_300W_AND_THE_DC_POWER_IS_500W,_FIND_EFFICIENCY.?$
A.	30%
B.	60%
C.	90%
D.	100%
Answer» C. 90%