When Copper brushes are used in DC machine? - Study24x7
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20 May 2019 11:17 AM study24x7 study24x7

When Copper brushes are used in DC machine?

A

Where low voltage and high currents are involved

B

Where high voltage and small currents are involved

C

Cannot be determined

D

Where low voltage and low currents are involved

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  • geet sharma
  • Due to various limitations, copper brushes are used in low voltage applications. For various other voltage ratings, different carbon-graphite proportions are used in manufacturing of brush materials.]

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