A current magnetic relay opens and closes its contacts based on the ____.
A. current in the start winding
B. voltage across the start winding
C. voltage across the run winding
D. current in the run winding
Answer: D
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When is a ratchet mechanism used?
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The subsequent problems deal with the 2-bit A/D flash converter shown below where Vmin is 0V and Vmax is 4V. Assume the comparators have standard TTL outputs (not open-collector).
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