1. A commutator have 456 segments. indicate whether or not the following windings are possible
a. simplex wave for six poles
b. triplex wave for six poles
c. simplex wave for 10 poles
d. duplex wave for eight poles
2. In each of the possible combinations of prob. 1 calculate the commutator pitch
3. for each of the answers of prob. 2 trace the windings around the commutator and show the proper segment, ahead or behind the first one is reached
a. simplex wave for six poles
b. triplex wave for six poles
c. simplex wave for 10 poles
d. duplex wave for eight poles
2. In each of the possible combinations of prob. 1 calculate the commutator pitch
3. for each of the answers of prob. 2 trace the windings around the commutator and show the proper segment, ahead or behind the first one is reached