In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralised by all of the following except______________?

A. interpoles

B. dummy coilsCorrect Answer

C. compensating winding

D. shifting of axis of brushes

Correct Option: B. dummy coils

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.