AC and DC Motors Lahore AC motors are generally considered to be more powerful than DC motors because they can generate higher torque by using a more powerful current. Buy dc and ac motor Online at Best Price in Pakistan – Daraz AC Motor Vs DC Motor | Key Difference between DC and AC DC motors will only run when a DC supply is given. In the case of an DC series motor, the motor might run with an AC supply. But, for shunt motors, the motor