Difference Between AC and DC
Difference Between AC and DC is one of the most important topics in electricity.
The Difference Between AC and DC helps students understand how electric current behaves in different circuits and devices.

Difference Between AC and DC (Definition)
Alternating Current (AC) is the current which changes its direction periodically, whereas Direct Current (DC) flows only in one direction.
This fundamental Difference Between AC and DC decides their applications in daily life.
Difference Between AC and DC (Table)
| AC (Alternating Current) | DC (Direct Current) |
|---|---|
| Changes direction periodically | Flows in one direction only |
| Magnitude varies with time | Magnitude remains constant |
| Used in homes and industries | Used in batteries and electronics |
| Generated by alternators | Generated by cells and batteries |
Note:
In exams, the Difference Between AC and DC is often asked in table form.
Always write at least 4 clear points for full marks.
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Difference Between AC and DC