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15 vocab words ch7

Chapter 7 Vocab

QuestionAnswer
charging by contact transfer of eletric charge between objects objects in contacts.
charging by induction rearrange ment of electric charge in a object due to a near by eletric field.
insulator materialinin witch electric charges cannot move easily.
conductor material in which electric charges can move easily.
static charge imbalance of electric charge on an object
elecriric discharge movement of static charge from one place to another.
magnetic domain a group of atoms in a magnetic material with the magnetic poles of the atoms pointing in the same direction
electric current flow of electric charge , measured in amperes.
electric circuit electromagnet closed conducting loop in which electric current can flow continually.
eletric resistance measure of how difficult it is for electrons to flow in a material; unit is the ohm
voltage a measure of the amount of electrical potential energy transferred by an electric charge as it moves from one point to another in a circuit.
series ciruit circuit that has only one path for electric current to follow.
parallel circuit circuit has more then one path for electric current to follow.
electromagnetic induction production of electric current by moving a magnet and a wire coil relative to each other.
electromagnet a current carrying wire wrapped around an iron core.
Created by: montanam
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