Copper brushes in D.C. machine are used - Study24x7
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Karan Singh
05 Mar 2019 12:09 PM study24x7 study24x7

Copper brushes in D.C. machine are used

A

where low voltage and high currents are involved

B

where high voltage and small cur-rents are involved

C

in both of the above cases

D

in none of the above cases

IIT-JEE Sciences
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