how DC is differ from AC ? what are the difference between
them ?exept (P-N)&(+__-)
- 2 Answers
- 4030 Views
- I also Faced
- E-Mail Answers
Answer Posted / amritpal singh sidhu
AC is differ from DC as per given below:
1. In AC transformer can be used but in DC we can't use
transformer.
2. In AC can't be stored but DC can be.
3. In AC there is skin effect but in DC there is no skin
effect.
4. There is revolving field in 3-phase AC machines but
there is no revolving field in DC machines.
5. AC switch gears are cheap,robust,easily maintence but DC
switch gears are not.
| Is This Answer Correct ? | 13 Yes | 3 No |
Post New Answer View All Answers
why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?
what is protection class current transformer.
I have finish diploma electronics and five years experience in electrical field in ht service how can i get c licensce or other electrical certificate
What are the main advantages of generalized error co-efficients?
What is a slack bus?
what is dc mator?types of dc motor?losses in dc motor?what is the mechanical,electrical and commercial efficiency of a dc motor?
What are safety device in vcb and acb?
What is bode plot?
For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?
CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor
WHAT IS THE USE OF PIG TAIL IN WINDOW CT ?
how to select the double earth conductor if 21A full load?
why asa method ZPF method is more accurate than ASA method?
1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?
How to size Air Circuit breaker (ACB)? What is the most important factors?
