Electromagnetism — Test Answers

23 verified answers1 views

Which describes Hans Oersted’s work with electricity and magnetism?

He discovered electromagnetism after seeing a changing magnetic field generate an electric current.

He discovered electromagnetism after seeing a compass needle deflected by a flowing electric current.

He discovered electromagnetic induction after seeing a compass needle deflected by a flowing electric current.

He discovered electromagnetic induction after seeing a changing magnetic field generate an electric current.

What change would enable Gazala to pick up eight paper clips?

reversing the nail and using the nail’s head

reversing the battery

unwrapping several loops of the wire from the nail

wrapping the wire around the nail more times

She knows that a magnesium ion has an electric field that points away from the ion. What values should she use to complete her table?

X: 12 Y: 12 Z: 10

X: 12 Y: 10 Z: 12

X: 12 Y: 12 Z: 14

X: 14 Y: 12 Z: 12

Did you find these answers helpful?

More from this Course