A.)
its A.) cuz if someone were to ask you something about sentence 1, it would be too much say cuz well sentence 1 is really long
The difference between the split ring commutator in a DC motor and the slips rings in an AC generator can be tricky. The split ring makes changes in the rotation every so often. A slip ring just stays in place and is only used as a connector. So a slip ring is for DC, whereas the split ring is used for AC.
