Electromagnets and Electric Motors

An electric motor is a device that converts _____ energy into _____ energy.

• Electrical

  Inertia

• Electrical

  Mechanical

• Mechanical

  Electrical

• Potential

  Kinetic

Which of the following is NOT an essential component of electromagnets?

• Battery

• Coil wire

• Magnetic core

• Metal paperclips

Which of the following is used to measure electromagnet strength?

• Voltage Breaker

• Transformer

• Galvanometer

• Electric Generator

Tags

NGSS.HS-PS2-5

The ______ is the part of the motor that remains unmoving and creates an electrical field.

Tags

NGSS.HS-PS2-5

The _____ is the part of the motor that converts electrical energy into mechanical motion.

The _____ reverses the direction of the current.

• Commutator

• Rotor

• Stator

• Axle

The ______ current motor has electrical current that flows only in 1 direction

Which of the following is NOT an advantage of electric motors?

• Low Maintenance

• Quiet Operation

• Environmentally Friendly

• Low Cost of Operation

• High Efficiency

Tags

NGSS.HS-PS3-5

Which of the following can be the result of using an electric motor?

• Sound Energy

• Light Energy

• Potential Energy

• Kinetic Energy

• Electrical Energy

Tags

NGSS.MS-PS3-5

Which of the following can be done to DECREASE the strength of an electromagnet?

• Add a Nickel core

• Unwrap the coil

• Remove the core

• Use a battery with lesser voltage

• Connect two batteries together then add the wire to each end