Below are the answers key for Floyd Self-test in Chapter 7: Power Amplifiers from the book Electronic Devices Conventional Current Version, 9th edition by Thomas L. Floyd.
1. Class A
2. 50
3. quiescent current
4. one-half the peak load current
5. 12 W
6. power from the dc power supply
7. 25%
8. right at cutoff
9. class B amplifiers
10. complementary symmetry transistors
11. equal to the current in the bias resistors and diodes
12. 79%
13. 0.4 A
14. slightly less than a class B
15. very low
16. greater than classes A, B, or AB
17. a very small percentage of the input cycle
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