Energy Conversion in Generators and Motors

a motor converts electrical current into

• chemical energy

• chemical force

• mechanical force

• mechanical life

Tags

NGSS.HS-PS3-3

electric generators converts mechanical force into

• mechanical energy

• magmatism

• electric current

• electric energy

Tags

NGSS.HS-PS3-3

In large generators in power plants, ___________ rotate inside a coil of wire to produce an electric current.

• Wind
• Water
• Magnets
• Circuits

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which device uses mechanical energy to produce electrical energy?

• Electric Motor
• Magnet
• Generator
• Solar Cell

Tags

NGSS.MS-PS3-5

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

• magnetism and thermal 
• electricity and thermal 
• electricity and magnetism 
• magnetism and radiant 

Tags

NGSS.HS-PS2-5

What energy do you put IN to a generator?

• Mechanical
• Electrical
• Thermal
• Potential

Tags

NGSS.HS-PS3-3

What type of energy comes OUT of a generator?

• Mechanical
• Electrical
• Thermal
• Potential

Tags

NGSS.HS-PS3-3

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

• electrical and becomes chemical
• mechanical and becomes electrical
• electrical and becomes mechanical
• mechanical and becomes chemical

Tags

NGSS.HS-PS3-3

NGSS.HS-PS3-1

Generators are devices that convert _____ energy into _____ energy.

• chemical; mechanical
• mechanical; electrical
• electrical; mechanical
• potential; kinetic

Tags

NGSS.HS-PS3-3

A hand generator is attached to a motor and the hand crank is turned. Which answer best describes the conversions of energy in this process?

• Mechanical Kinetic energy is converted to electrical energy, then the electrical energy is converted to light energy.

• Mechanical Kinetic energy is converted to electrical energy, then the electrical energy is converted to mechanical kinetic energy

• Electric energy is converted to mechanical kinetic energy, then the kinetic energy is converted to potential energy.

• Electric energy is converted to mechanical kinetic energy, then the kinetic energy is converted to electric energy.