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P-1 Effects of electric current — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Effects of electric current2 Marks
Question
Why are carbon brushes used? How do these work?
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Answer

Brushes make contact with the split ring and are responsible for the make and break of the circuit. As the brushes are made up of carbon they offer less resistance and act as a good conductor and also cheaper to replace.

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