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What is an alternative to carbon brushes in an ac motor?
An alternative to carbon brushes in an AC motor is using a brushless motor. Brushless motors have permanent magnets and electronic drive systems to operate, eliminating the need for brushes or commutators. This design results in less maintenance, higher efficiency, and longer lifespan compared to motors with carbon brushes.
In an electromagnet what are the springy pieces of metal or carbon that make contact with the commutator's contacts?
The springy pieces of metal or carbon that make contact with the commutator's contacts in an electromagnet are known as brushes. Brushes are responsible for delivering electrical current to the commutator, allowing the electromagnet to function as intended.
In an electromagnet what are the springy pieces of metal or carbon that make contact with the commutators contacts?
These springy pieces are called brushes. They conduct current between stationary wires and moving parts in the electromagnet, ensuring continuous contact with the commutator's contacts as it rotates.
What statement supports one of Dalton's contributions to the atomic theory?
the element carbon is made up of carbon and nitrogen
Where does most of the carbon that is dissolved by flowing water over rock end up?
Most of the carbon that is dissolved by flowing water over rock ends up in the oceans. This dissolved carbon eventually contributes to the marine carbon cycle and can be taken up by marine organisms or exchanged with the atmosphere as carbon dioxide.
What are starter motor brushes made of?
Carbon
What are the brushes made of on a universal motor?
A brush is made out of carbon.
Why brushes are made of only carbon graphite in dc machines?
The brushes are made up of carbon because it has low friction as compare to other materials and cheaply also, but carbon has high resistance due to which output can vary. So we mix carbon with copper metal to reduce resistance. Note that we cannot use copper only for brushes because it creates more friction with commutator.
What are synthetic brushes?
synthetic brushes are make-up brushes that are made from man made fibres for bristles so they are also cruelty free, unlike most make brushes which made from animal hair and made by plucking the animals hair out and putting them into brushes.
Why are the brushes of DC motor motor made of carbon rather than copper?
Carbon is much stronger and because the motor commuter is spinning copper brushes will wear off quickly.
What are universal motor brushes made of?
the brush is a peice of carbon that is attached to the startor by a brush holder.
Why carbon brushes are used in DC machines?
Carbon brushes used in DC machines because carbon is soft material and it does not generate spikes when contact with commutator
What is the right composition for copper carbon starter brushes?
Carbon
What are Estee Lauder brushes made of?
Back in the year 2000, I used to work for Estee Lauder and heard the make-up brushes were made of goat hair/fur. Not sure what is currently used.
Advantage of carbon brushes over copper brushes?
carbon has negative temperature coficient so its resistance decrease with the rise of temperature in contrast of copper....carbon has has lubrication property so it offered less friction as compared to copper....
Why carbon brushes are most used in dc?
Carbon is used because it is soft and does not damage the commutator. This means that the brushes must be replaced at intervals, and the powdered carbon scraped out from between the segments of the commutator.
What is an alternative to carbon brushes in an ac motor?
An alternative to carbon brushes in an AC motor is using a brushless motor. Brushless motors have permanent magnets and electronic drive systems to operate, eliminating the need for brushes or commutators. This design results in less maintenance, higher efficiency, and longer lifespan compared to motors with carbon brushes.
