Q. Sparking, is discouraged in a D.C. motor because (Solved)
1. it increases the input power con-sumption
2. commutator gets damaged
3. both (a) and (b)
4. none of the above
- b. commutator gets damaged
1. it increases the input power con-sumption
2. commutator gets damaged
3. both (a) and (b)
4. none of the above