Surrounding Every Magnet Is

Q33: Place an iron rod inside a current-carrying

Q34: The source of all magnetism is<br>A)tiny pieces

Q35: The magnetic fields of a pair of

Q36: Into which stable force field can a

Q37: Cosmic rays penetrate your body when<br>A)safely in

Q39: In general, a common magnet has<br>A)one pole.<br>B)at

Q40: An iron nail is more strongly attracted

Q41: Earth's magnetic field is<br>A)something we've learned to

Q42: To weaken a bar magnet<br>A)drop it on

Q43: A current-carrying coil of wire is<br>A)a superconductor.<br>B)a