For the picture tube, the brightness control varies the ___ bias signal drive.
A. dc
B. either ac or dc
C. ac
D. both ac and dc
Show Answer
Answer: a
Share your understanding of this question with the correct explanation.
For the picture tube, the brightness control varies the ___ bias signal drive.
A. dc
B. either ac or dc
C. ac
D. both ac and dc
Answer: a
Share your understanding of this question with the correct explanation.