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1. |
What is duty cycle? |
A. | ratio of time on to time off |
B. | ratio of time off to time on |
C. | <sup>1</sup>‚ÅÑ<sub>2</sub> √ó (ratio of time on to time off) |
D. | <sup>1</sup>‚ÅÑ<sub>2</sub> √ó (ratio of time off to time on) |
Answer» B. ratio of time off to time on | |