Physics · Electrical Machines

Which of the following cross-sectional shapes is typically used for carbon brushes in a DC machine?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Semi-circular
2Cylindrical
3Rectangular or Square✓
4Triangular

Correct answer

Rectangular or Square

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Which of the following cross-sectional shapes is typically used for carbon brushes in a DC machine?

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Which of the following cross-sectional shapes is typically used for carbon brushes in a DC machine?

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