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 p

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%