In contrast to alternating current, or AC, which, depending on the supply's frequency, switches direction 50 or 60 times per second, the current in DC circuits flows only in one direction.

AC and DC Current: AC (Alternating Current) and DC (Direct Current) are the two fundamental forms of electrical current, differing in how electricity flows through a circuit.

AC vs DC: Know here what is the difference between AC and DC. AC stands for alternating current whereas DC stands for Direct Current. Check key dissimilarities here.

When you plug things into the outlet in your house, you don't get DC. Household outlets are AC - Alternating Current. This current has a frequency of 60 Hz and would look something like this (if ...

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.