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carbon is the only material when friction with any material doesn't produce scratches on commutator and avoid to produce spark.
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∙ 12y ago
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What is an alternative to carbon brushes in an ac motor?
slip rings
In an electromagnet what are the springy pieces of metal or carbon that make contact with the commutator's contacts?
Brushes
In an electromagnet what are the springy pieces of metal or carbon that make contact with the commutators contacts?
brushes
What statement supports one of Dalton's contributions to the atomic theory?
the element carbon is made up of carbon and nitrogen
Why are javelins made of steel aluminium and or carbon fiber?
It is made from carbon fibre because it is lighter so it will stay in the air for longer
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.
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 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.
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.
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.
Is carbon dioxide made up of three elements?
no,carbon dioxide is made up of oxygen and carbon
What is an alternative to carbon brushes in an ac motor?
slip rings
