chapter 8

the atoms in a magnet are aligned according to thier magnetic _____

• mediums

• poles

• rods

• currents

like poles ____

• repel

• attract

• are alternating

• reflect

unlike poles

• are the same

• combine

• repel

• attract

device that decreases/increases the voltage in a power line

• electric motor

• microwave

• transformer

• polarized light

process of producing an elctrical current by moving a loop of wire through a magnetic field

• elctromagnetic induction

• doppler effecr

• polarized light

• transforming

two ways to increase the strength of an electro magnet

• increase current

• increase medium

• increase loops

• increase magnet size

device that converts electrical energy to mechanical energy

• electric motor

• electromagnet

• transformer

• step-down transformer