Electromagnetic Induction

Magnets can be used to create electricity? 

• True
• False

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Electromagnetic Induction is...

• the use of the movement of magnets around a coil of wire to create an electrical current through the wire
•  the use of the movement of electricity around a coil of wire to create an electrical current through the wire

Tags

NGSS.HS-PS2-5

Electromagnetic induction is typically created by rotating magnets between north and south poles while a coil of wire moves between the rotating magnets.

• False
• True

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In 1831 who discovered electromagnetic induction?

• Thomas Edison
• Nikola Tesla
• Michael Faraday

Tags

NGSS.HS-PS2-5

Electromagnetic induction can be used to produce _________ without having to have electricity first.

• magnetic fields
• electricity
• power

Who developed direct current?

• Nikola Tesla
• Thomas Edison
• Michael Faraday

Who developed alternating current?

• Thomas Edison
• Michael Faraday
• Nikola Tesla

Direct current is easily converted to higher or lower voltages.

• True
• False

Today our electricity is mostly powered by...

• alternating currents
• direct currents

Which is more stable, direct or alternating current?

• direct
• alternating