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The angle (electrical) made by brushes with axes of adjoining filed poles is ______________

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The angle (electrical) made by brushes with axes of adjoining filed poles is ______________

(a) 450

(b) 1800

(c) 900

(d) 300

I got this question during an online interview.

The above asked question is from Construction topic in division DC Machines of DC Machines

1 Answer

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Best answer
The correct answer is (c) 900

Explanation: Brushes in a DC machine are normally placed electrically in the interpolar regions and therefore make an angle of 900 electrical with the axes of adjoining filed poles.

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