SilverShroud1399 SilverShroud1399 20-02-2024 Engineering contestada A DC motor runs by a source of EMF 200 V, drawing a current of 10 A. If the efficiency of the motor is 40%, what is the resistance of the armature coil? a) 5 Ω b) 10 Ω c) 15 Ω d) 20 Ω
