DC Motors

_____________________ a device used to convert electric energy into mechanical energy.

• Motor

• Direct Current

• Alternating Current

• Compass

Tags

NGSS.HS-PS3-3

______________ magnets are created by passing a current through a wire.

• compass magnets

• electromagnets

• DC Motor Magnets

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Look at the picture what is letter B?

• Armature

• Commutator

• Permanent Magnet

• DC Source

• AC Source

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Look at the picture what is letter C?

• Armature

• Commutator

• Permanent Magnet

• DC Source

• Brush

Tags

NGSS.HS-PS2-5

Give two ways you can reverse the direction of a basic dc motor?

• Reverse the current

• Keep the current the same

• Reverse the magnetic field

• Keep the magnetic field the same

Tags

NGSS.HS-PS2-5

What is an actuator?

• A Battery

• Mechanisms that act upon their environment

• Passing current through a wire

Motors convert ________ energy into _______ energy.

• Electrical, mechanical

• Mechanical, electrical

• Voltage, electrical

Tags

NGSS.HS-PS3-3

NGSS.HS-PS3-5

What does DC stand for?

• Digital Copy

• Direct Convetion

• Direct Current

What does the output torque depend on? Check all that apply.

• The electrical input

• The size of the wheels

• The design of the motor

What is a stator/magnet?

• turning coil of wire

• made of carbon, used to relay current from external circuit to commutator

• stationary part of the motor, it provides a rotating magnetic field that drive the armature to rotate.

Tags

NGSS.HS-PS2-5