![A DC voltage](https://www.gkseries.com/blog/wp-content/uploads/2022/01/A-DC-voltage.png)
Q. A DC voltage
A. rises and falls
B. is a sinewave
C. remains constant
D. is an audio waveform
Answer: remains constant
A. rises and falls
B. is a sinewave
C. remains constant
D. is an audio waveform
Answer: remains constant
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