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Electromagnetism vocabulary

Terms in this set (12)

static electricity
Potential energy that forms when charge builds up on the surface of an object
current electricity
electrons flowing from one location to another
ampere
unit for current
resistance
opposition to current, measured in ohms - a high amount of this often results in heat
conductor
a material that allows electricity to flow through it easily
insulator
a material that does not allow electricity to flow through it easily
electromagnet
made by wrapping a current-bearing coil of wire around a steel or iron core
electromagnetic field
allows electric and magnetic forces to extend over a distance
static discharge
loss of static electricity due to friction, conduction, or induction
magnetic pols
can be north or south
attraction
this type of force occurs when opposite charges or poles are brought close together
repel
this type of force occurs when like charges or poles are brought close together
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