Electrical and Electronics Engineering Machines Quiz

BLDC motor has a physical commutator, while a DC motor has an electronically commutated system

BLDC motor does not require torque, while a DC motor relies on torque for operation

BLDC motor does not have brushes, while a DC motor uses brushes for commutation (correct)

BLDC motor uses brushes for commutation, while a DC motor does not have brushes

Mechanical force through a physical commutator

Magnetic field generated by the motor's movement

Electrical current through an electronically commutated system (correct)

Frictional force from the motor's rotation

Controls the speed of the motor

Regulates the temperature of the motor

Changes the motor phase at the appropriate times for torque production (correct)

Generates electrical current to power the motor

<p>BLDC motor is electronically commutated, while a synchronous generator uses a physical commutator</p> Signup and view all the answers

<p>Torque and speed performance</p> Signup and view all the answers