vocab
positive and negative charge
the current in a simple circuit and parallel and series circuits
magnets
electromagnets
100
the accumulation of excess electric charge on an object
What is the defintion of static electricty
100
static electricity
What is the accumilation of charge on an object
100
the law states that the current in a circuit equals the voltage difference divided by resistance
What is ohms law
100
2000
how many years ago did the greeks discover magents
100
it is a temporary magnet made by wrappping a wire coil carrying a current around an iron core
What is an electromagnet
200
the places on the magnet where the force is the strongest
What are the magnetic poles
200
distance
What is one thing that the force of electric charge on an object depends on
200
I=V/R
What is the formula for ohm's law
200
a magnetic force
what do magnets let off?
200
a single wire wrapped into a cylindrical wire coil
What is a solinoid
300
the group of atoms alligned with the magnetic poles
What is magnetic domain
300
every electric charge
What does an electric feild surround
300
houses
What is a parallel circuit usually used to wire
300
the poles
Where is the force on a magnet strongest
300
electromagnets
What is used to make sound
400
refers to the properties and interacions of magnets
What is magnetism
400
electrical
which is stronger the force of gravity or electrical forces
400
a current has only one loop to flow through
What is a series circuit
400
magnetic feild
what is the force that surrounds a magnet
400
a galvonometers
What is the divice that uses an electromagent to measure electric currents
500
a law that states charge can be transfered from object to object
What is the law of conservation of energy
500
no
can charges be created or destroyed
500
contain two or more branches for current to move through
What is a parallel circuit
500
opposite
do alike or opposite ends of the magnet atrract
500
when a current s flowing through the solinoid
When is the magentic feild present around an electromagnet
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