Copper brushes in D.C. machine are used_____________?

A. where low voltage and high currents are involvedCorrect Answer

B. where high voltage and small cur-rents are involved

C. in both of the above cases

D. in none of the above cases

Correct Option: A. where low voltage and high currents are involved

This question has been verified by the PakPrep community moderation network for competitive examination accuracy.

Subject Overview

Explore thousands of solved past paper MCQs for Electrical Engineering Mcqs categorized with explanations.