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Despite the dominance of alternating current in our day to day lives, direct current still has some very useful applications.
These convert direct current into alternating current, allowing DC batteries the capability to supply power to numerous locations even in the event of an interruption in the AC supply.
High-voltage direct current (HVDC) technology offers more efficient bulk power transfer over long distances compared to alternating current (AC) systems.
Typically, engineers can choose between direct-current (DC) or alternating-current (AC) motors. Machine Design has covered the difference between basic types of motors in the past.
The reduction of phthalimides using alternating-current electrochemistry yields a cleaner crude NMR compared with direct-current alternatives.
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