Washington, D.C. is administered by a mayor and a city council, with the mayor serving as the chief executive officer. The city council is made up of elected representatives who create local laws and policies. Additionally, Congress has ultimate authority over the district, which means federal legislation can override local laws. This unique governance structure reflects D.C.'s status as a federal district rather than a state.
Dc chopper is a static device which converts constant dc source to variable dc.
Well, yes. But it isn't much needed as DC is already DC.
A DC-to-DC converter is the general term for a device that changes DC voltage at one level to another.
dc to dc converter
dc
One way you can wash your DC shoes is to put them in a washing machine. You can put them in a netted bag if you like.
Uh, Maryland is a STATE ! Wash., DC has no 'capital' !
George Washington
100 miles
63
555 miles
Needham, MA to Washington, DC by road is 432 Miles - 696km
Benjamin Banneker
5 hours
about 2700 miles
ProMetric Administers
about 4 hours