Electrical Motor Quiz

What is the primary function of an electrical motor?

• To convert mechanical energy into electrical energy

• To convert electrical energy into mechanical energy

• To store electrical energy

• To store mechanical energy

What is the role of the fan in an induction motor?

• To increase the speed of the motor

• To lubricate the motor

• To cool down the motor

• To reduce the noise of the motor

What is the stator in an induction motor?

• The rotating part of the motor

• The stationary part of the motor

• The part that generates heat

• The part that stores energy

What is the purpose of the copper wires in the stator?

• To create a magnetic field

• To insulate the motor

• To store electrical energy

• To generate heat

What type of rotor is used in the described induction motor?

• Brushless rotor

• Squirrel cage rotor

• Permanent magnet rotor

• Wound rotor

Why are laminated steel sheets used in the rotor?

• To decrease the magnetic field

• To reduce the size of eddy currents

• To increase the weight of the rotor

• To increase the electrical resistance

What happens when electricity passes through a wire?

• The wire becomes insulated

• The wire breaks

• The wire heats up

• A magnetic field is generated around the wire

What is the effect of reversing the direction of current in a wire?

• The wire short circuits

• The wire melts

• The magnetic field reverses

• The wire becomes stronger

What is an inductor?

• A coil of wire that generates a magnetic field

• A device that stores electrical energy

• A type of resistor

• A type of capacitor

What is the purpose of the three separated coils in the stator?

• To create a static magnetic field

• To reduce the motor's speed

• To create a rotating electromagnetic field

• To store electrical energy