Electromagnetism

Which of the following defines magnetism?

• Magnetism is a contact force.

• Magnetism is a force created by magnets.

• Magnetism is an invisible force that attracts electrically charged particles.

• Magnetism is energy created by magnets.

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Which of the following principles explains how an electric motor works?

• Magnetic force

• Magnetism

• Electrolysis

• Electromagnetism

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Which of the following is a device that converts electrical energy into mechanical energy?

• Vacuum cleaner

• Bicycle

• Weighing scale

• All of the choices

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Which two forces are required to operate with generators and electric motors?

• Electric and magnetic

• Electric and thermal

• Magnetic and Radiant

• Magnetic and thermal

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Which of these kitchen appliances does NOT have an electric motor?

• Water filter

• Refrigerator

• Food proccessor

• All of the above

An electric motor is a machine which converts Electrical Energy into what form of energy?

The ____ supplies the electric current into the coil and it gets converted into motion.

What do you think is the role of electric motor in the materials/appliances?

What are the similarities and differences between electric motor and generator?

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NGSS.MS-PS2-3

How does electric motor and generator work?

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