Week 15 Electromagnetism

Match it! Select the correct answer from the pull down...Good luck!

The magnetic field around a single ordinary wire carrying a ___ amount of current is too small to be of much use.

When we add an iron core, a solenoid becomes an ____.

Current coming toward you would use the right hand rule thumbs up! The fingers have to curl counterclockwise. That is the direction of the ____ field that is produced.

When a wire is made into a coil, the total magnetic field is the ____ of the fields created by the current in each individual loop.

a force produced by the motion of electric charges in a material

a material that can create magnetic effects by itself and does not “lose” this ability to attract other magnetic materials.

When a north pole of a magnet is next to another north pole you will see a ____ in the field lines.

North poles and south poles are attracted to each other so in most materials electrons ____.