Electrical Generators

In a _______ a spinning turbine moves magnets which generates an electric current.

• Motor

• Generator

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NGSS.HS-PS2-5

What type of energy comes OUT of a generator?

• Mechanical

• Electrical

• Thermal

• Potential

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NGSS.HS-PS3-3

In an electric generator, the energy transformation begins as ----

• electrical and becomes chemical

• mechanical and becomes electrical

• electrical and becomes mechanical

• mechanical and becomes chemical

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What two forces are required for generators and electric motors to work? 

• magnetism and thermal 

• electricity and thermal 

• electricity and magnetism 

• magnetism and radiant 

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

How is electricity typically generated in a power plant?

• By burning coal to produce heat

• By using large batteries

• By using magnets alone

• By solar panels only

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Generators are devices that convert _____ energy into _____ energy.

• chemical; mechanical

• mechanical; electrical

• electrical; mechanical

• potential; kinetic

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NGSS.HS-PS3-3

What energy do you put IN to a generator?

• Mechanical

• Electrical

• Thermal

• Potential

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NGSS.HS-PS3-3

electric generators converts mechanical force into

• mechanical energy

• magmatism

• electric current

• electric energy

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NGSS.HS-PS3-3

Which of these pairs of devices operate in reverse of each other?

• generator and motor

• generator and electromagnet

• motor and electromagnet

• electromagnet and resistor

Which best describes how a motor works?

• When a fan blows on a wire, it causes it to spin, creating a force.

• When a fan blows on a wire, it causes it to spin, creating an electrical current.

• When a wire that carries electrical current is placed in zero gravity, the wire experiences a force.

• When a wire that carries electrical current is placed in a magnetic field, the wire experiences a force.

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