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
ProMetric Administers
Needham, MA to Washington, DC by road is 432 Miles - 696km
Benjamin Banneker
5 hours
about 2700 miles
about 4 hours