Chemistry, asked by gautamsanskritp5ah9v, 1 year ago

What is the use of brush in an electric motor?
What was the advantage of Dobereiner’s triads?

Answers

Answered by DonDj
3
The brush are used to provide Resistance against the friction of sue to rota yoon of the Ameture coil.
The advantage was that the triads follow a definate pattern through which properties of the elements can be classified easily and can be predicted when arranged in increasing order of At. mass.
Hope it helps
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