magnets

Device in which magnetism is produced by an electric current.

Rare earth permanent magnets are

• neodymium

• samaruim

• lodestone

• samarium cobalt

Electromagnetism establishes the relationship between

• light

• electricity

• gravity

• magnetism

Naturally magnetic iron ore

Large masses of waste magnetic materials.

What is it?

• chain

• circuit

• circle

• branch

Two North poles wil .... each other, and the North pole will ... a South pole.

• repel, repel

• repel, attract

• attract, attract

• attract, repel

A word to describe any piece of equipment made for a specific purpose.

• device

• circuit

• signal

• switch

Phenomenon that is generated by the passage of an electric current through matter.

• electromagnetism

• magnetic field

• electricity

• magnitism

What type of metal is wrapped around iron core