Which functions belong in the cells marked X and Y?
A
X: Conducts current to the armature and reverses direction of current Y: Rotates as a result of changing magnetic forcesB
X: Allows current to flow into the commutator Y: Rotates as a result of changing magnetic forcesC
X: Rotates as a result of changing magnetic forces Y: Conducts current to the armature and reverses direction of currentD
X: Allows current to flow into the commutator Y: Conducts current to the armature and reverses direction of current