Ever wondered about the 'AC' button on your calculator? It stands for 'All Clear,' a historical term from the 1960s, not just ...
Most people use 75% efficiency for budgetary purposes. So your pow4er supply generating 40VDC @ about 10 amps for a total DC power of 410 watts will draw about 550W or 5 amps of 110v. Exact efficiency ...
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