Motors vs Generators

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

• Motor

• Generator

Tags

NGSS.MS-ETS1-1

What is produced by moving a permanent magnet through a coil of copper wire?

• electricity

• electromagnet

• light

• sound

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

• generator and motor

• generator and electromagnet

• motor and electromagnet

• electromagnet and resistor

Generators are devices that convert _____ energy into _____ energy.

• chemical; mechanical

• mechanical; electrical

• electrical; mechanical

• potential; kinetic

Tags

NGSS.HS-PS3-3

This device converts mechanical energy into electrical energy. It creates electricity.

• Electric Generator

• Electric Motor

• Electromagnet

• Voltmeter

Tags

NGSS.MS-ETS1-1

When John plugs in a toy and turns it on, a marble is carried up to the top of a slide. At the top, a marble is released and it goes down a slide. What kind of energy transformation occurs to make this toy work?

• chemical to heat

• electrical to chemical

• sound to electrical

• electrical to mechanical

Tags

NGSS.MS-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

What would happen to the coiled wire in an electric motor model if there are repulsion and attraction of the magnetic poles?

• The coil fluctuates and converts electrical energy into chemical energy.

• The coil stops and changes mechanical energy into electrical energy.

• The coil rotates and changes electrical energy into mechanical energy.

• The coil remains unstable.

Tags

NGSS.MS-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

Which of the following is the CORRECT description of the operation of an electric motor?

• The electric motor uses electricity.

• The operation is based on the principle of electromagnetism.

• The motor converts electric energy into mechanical energy.

• All of the above.

Tags

NGSS.MS-PS3-5