Generator

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

Generators are devices that convert _____ energy into _____ energy.

• chemical; mechanical

• mechanical; electrical

• electrical; mechanical

• potential; kinetic

Tags

NGSS.HS-PS3-3

electric generators converts mechanical force into

• mechanical energy

• magmatism

• electric current

• electric energy

Tags

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

Tags

NGSS.HS-PS3-5

What do you call a device that produces an electric current when a coil of wire is wrapped around an iron core and rotated near a magnet?

• magnet

• car

• generator

• motor

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What do you call a device that converts mechanical movement into electricity?

• electric field

• electric motor

• electric generator

• electric plasma

Tags

NGSS.HS-PS3-3

Which is NOT a distinguishing feature of an electric generator?

• An electric generator converts mechanical energy into electrical.

• An electric generator converts electrical energy into mechanical energy.

• It generates electricity

• It is based on the principle of electromagnetic induction.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the primary function of a generator in a power plant?

• To convert chemical energy into electrical energy

• To convert mechanical energy into electrical energy

• To convert electrical energy into mechanical energy

• To store electrical energy

Tags

NGSS.HS-PS3-3

Which component of a generator is responsible for inducing an electric current?

• The rotor

• The stator

• The commutator

• The armature

Tags

NGSS.HS-PS2-5

In a hydroelectric power station, what type of energy is initially used to drive the generator?

• Thermal energy

• Nuclear energy

• Kinetic energy

• Chemical energy

Tags

NGSS.HS-PS3-3