Electromagnetism Vocab

Question 1

any material that attracts iron or materials containing iron

Answer 1

Magnet

Question 2

one of two points, such as the ends of a magnet, that have opposing magnetic qualities

Answer 2

Magnetic Pole

Question 3

the force of attraction or repulsion generated by moving or spinning electric charges

Answer 3

Magnetic Force

Question 4

the region around a magnet in which magnetic forces act Ferromagnet

Answer 4

Magnetic Field

Question 5

are made of iron, nickel cobalt or mixtures of those metals (an alloy)

Answer 5

Ferromagnet

Question 6

the interaction between electricity and magnetism

Answer 6

Electromagnetism

Question 7

a coil of wire with an electric current in it

Answer 7

Solenoid

Question 8

a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil

Answer 8

Electromagnet

Question 9

a device that converts electrical energy into mechanical energy

Answer 9

Electric Motor

Question 10

a loop or coil of wire that can rotate

Answer 10

Armature

Question 11

is attached to the armature to reverse the direction of the electric current

Answer 11

Commutator

Question 12

used to measure current; has a small electromagnet and needle on a pivot between the poles of a permanent magnet

Answer 12

Galvanometer

Question 13

Induction the process of creating a current and in a circuit by changing a magnetic field

Answer 13

Electromagnetic

Question 14

a device that converts mechanical energy into electrical energy

Answer 14

Electric Generator

Question 15

a device that increases or decreases the voltage of alternating current

Answer 15

Transformer