7.3 Producing Electric Current

A(n) ___ converts electricity into magnetism.

• electric transformer

• electric generator

• electromagnet

• electric motor

Tags

NGSS.HS-PS2-5

A(n) ___ converts magnetism into electricity.

• electric transformer

• electric generator

• electromagnet

• electric motor

Tags

NGSS.HS-PS2-5

A(n) ___ converts electricity into magnetism, and back to electricity.

• electric transformer

• electric generator

• electromagnet

• electric motor

Tags

NGSS.HS-PS2-5

Electric charges must ___ in order to create an observable magnetic field.

• exist

• be moving

• be stationary

• disappear

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which of the following will increase the strength of an electromagnet?

• Use a Bigger Battery (More Current)

• Wrap More Coils

• Insert an Iron Core

• Use a Bigger Magnet

Tags

NGSS.HS-PS2-5

A(n) ___ electric current will create a changing magnetic field.

• existing

• direct

• alternating

• stable

Tags

NGSS.HS-PS2-5

The ___ coils a wire has the ___ current is able to be generated.

• more; more

• less; more

• more; less

• less; less

Tags

NGSS.HS-PS2-5

Which of the following electrical generators does NOT involving spinning?

• Coal
• Nuclear
• Tidal
• Solar panels

What is the best energy chain for coal fired power plants

• chemical -> kinetic -> electrical
• kinetic -> electrical
• electrical -> chemical -> heat
• kinetic -> chemical -> electrical

Tags

NGSS.HS-PS3-3

Which is the best energy chain for nuclear power plants?

• Thermal -> kinetic -> electrical
• light -> kinetic -> thermal
• thermal -> electrical
• light -> kinetic -> electrical

Tags

NGSS.HS-PS3-3

NGSS.HS-PS3-4