Interested to Buy Any Domain ? << Click Here >> for more details...
Why material of brush is carbon in motors why not other
material.
- 5 Answers
- 9299 Views
- NTPC, I also Faced
- E-Mail Answers
Answer Posted / ahammed
In carbon brushes, since, its like a semicconducting
material, the resistance of which is depends on area of
contact. Its used to reduce sparking & to avoid short
circuit in armature segments.
| Is This Answer Correct ? | 8 Yes | 6 No |
Post New Answer View All Answers
what is difference between isolation and ultra isolation transformer?, what is the method of testing ?
What is Harmonics how it is produced and what is the method to control the same
How to justify this statement ??? "Capacitors in series provide less capacitance but higher voltage breakdown rating for the combination"
What is creepage distance..... what will be the value for different voltage level
how calculate the electrical load for industry and office
When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?
What is the transfer function?
Why the power generated in dams is complex power? Why the generators in dams cannot produce Real power directly (i.e power which has zero reactive part)?
How 3 phase invertor works?
what is breathing?
What is size 00, 01, 1 etc., in HRC fuse types?
what is droop control?
1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.
Currently what is the highest capacity (MVA) of SPPg generator available in the market?
how indusrial diesel generator work
