DC MOTOR - Practice Mode

Increases the starting torque Protects from armature reaction Protects armature from over loading Reduces the spark in the commutator segment

Correct Answer: Reduces the spark in the commutator segment

Absence of back emf Load current flows through field winding Armature current and field current are same Series field winding wound with thick wire

Correct Answer: Absence of back emf

To reduce the starting current To increase the speed of motor To decrease the speed of motor To maintain proper direction of rotation

Correct Answer: To maintain proper direction of rotation

Static balancing Dynamic balancing Attached with counter balancing Plugged with lead weight balancing

Correct Answer: Dynamic balancing

Eureka Nichrome Manganin Constantine

Correct Answer: Eureka