Voorbeelden van direct current

• All our transmission is done at high voltage direct current. 

• Electrical power is supplied to single-trolley railroads principally in the form of direct current. 

• How does a conductor behave in connection with direct current and how with alternating current? 

• The presence of the condenser precludes the possibility of direct current flowing in this path. 

• The switches of the direct current circuits are hand-operated and are located upon boards at the right and left of the control board.