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electricity&magnetis

electricity & magnetism

QuestionAnswer
resistor material that resists but does not stop the flow of electric current
charge meaurement of an objects extra positive or negative particles
static electricity the charge that stays on the object
electric field space around an object where electric forces occur
electric current flow of electric charges
circuit path made for an electric current
electric cell supplies energy to move charges through a circuit
conductor material that an electric current can pass through easily
insulator material that an electric current cannot pass through easily
series circuit circuit with one path
parallel cicuit circuit with more than one path
magnet object that attracts things made of iron or steel
magnetic poles ends of a magnet
magnetic field space around a magnet where the force of the magnet acts
electromagnet arrangement of wire wrapped around a core
What kind of charge would an object have if it has more positive charges that negative? positive
what kind of charge would an object have if it has more negative charges than positive charges? negative
What kind of charge would an object have if it has the same amount of positive and negative charges? neutral
When two objects both have positive charges they will ____ each other repel
Copper, iron, or steel in a circuit will _____ electricity conduct
Wher is a bar magnet's strongest pull? the poles
magnets will attract if the poles are _____ opposites
Electromagnets in motors are used to cause ___ motion
Name three ways to control an electromagnet 1. add coils 2. turn off or on 3. increase or decrease amount of current
How does a compass work? the magnet in the compass is attracted to Earth's magnetic force
Name three ways that electricity and magnetism alike 1. They both have forces 2. They both have opposite states 3. the states attract or repel each other
Created by: amycarden
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