Trent builds a model electric motor. When he connects a battery to the motor, the motor spins through a half rotation and stops. Which is the most likely solution to the problem?
Answer
A
adding more wire coils in the armature, because the electromagnet is too weak
B
replacing the battery, because it is not providing current
C
checking the commutator, because the current is not reversing
D
installing new brushes, because they are not making a good connection