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DC stands for Direct Current, which means the flow of electric charge in a single direction. Examples of a DC source are batteries, solar panels, and dynamos.

DC stands for Direct Current which means the flow of electric charge in a single direction, as opposed to Alternating Current which means the flow of electric charge continually switches direction at a particular frequency.

DC is generally used in low-voltage applications for powering (control) circuits used in many gadgets and electronic systems.

Examples of DC sources are:

• batteries
• solar panels
• dynamos
• thermocouples