AC Generator vs DC Generator — Difference (with Table)
AC Generator vs DC Generator compared side by side — a 6-row comparison table and 4 key points. Class 10 Physics, free and no sign-up.
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TL;DR: AC Generator vs DC Generator compared side by side — a 6-row comparison table and 4 key points. Class 10 Physics, free and no sign-up.
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The main difference between AC Generator and DC Generator: An AC generator produces alternating current that periodically reverses direction, while a DC generator produces direct current that flows in one direction
AC Generator vs DC Generator — Comparison Table
| Basis | AC Generator | DC Generator |
|---|---|---|
| Output | Produces alternating current | Produces direct current |
| Current Direction | Changes direction periodically | Flows in one direction only |
| Commutator | Uses slip rings | Uses split ring commutator |
| Efficiency | More efficient for power transmission | Less efficient for long distance transmission |
| Output Graph | Sinusoidal wave pattern | Straight line or pulsating curve |
| Use | Used in power stations and homes | Used in vehicles and portable devices |
Key Points
- AC generators use slip rings while DC generators use split ring commutators to collect current
- AC current periodically reverses direction while DC current maintains constant direction
- AC generators are more efficient for transmitting electricity over long distances through transformers
- Both generators convert mechanical energy into electrical energy through electromagnetic induction