The maximum a.c. power output from a class B power amplifier is 10 W.What should be the minimum power rating of the transistor used?

The maximum a.c. power output from a class B power amplifier is 10 W.W

1.	The maximum a.c. power output from a class B power amplifier is 10 W. What should be the minimum power rating of the transistor used?
A.	10W
B.	15W
C.	4W
D.	20W
Answer» D. 20W