| * |
AC |
DC |
| 1. Amount of energy carried |
Safer to transfer longer distance and provides more power. |
Cannot be travel longer distance, as it begins to lose energy |
| 2. Direction cause due to flow of electrons |
Rotating magnetic field |
Steady magnetism |
| 3. Frequency |
In India AC frequency 50 HZ and in some countries up to 60 HZ |
For DC the frequency is ZERO |
| 4. Direction |
When flowing in a circuit, it changes the direction |
When flowing circuit it flows in one direction |
| 5. Current |
In AC the magnitude varies according to time |
In DC there will be a constant current |
| 6. Flow of electrons |
Always changes the direction |
Keep flowing in one direction |
| 7. Obtained |
AC generators and from grid |
Cells or battery |
| 8. Passive parameter |
Impedance |
Resistance only |
| 9. Power factor |
Lies between 0 & 1 |
Always 1 |
| 10. Types |
Sinusoidal, Trapezoidal, Triangular, Square |
Pure and pulsating |
No comments