magnets
Current
electromagnets
energy conversion
miscelaneous
100
location of the strongest magnetic force in a permanent magnet
What are the poles
100
type of current that reverses direction in a regular pattern
What is alternating current
100
producing electric current by moving a coiled wire in and out of a magnetic fiels
What is electrmagnetic induction
100
this device converts electrical energy into mechanical energy
What is an electric motor
100
device that changes voltage in a power line
What is a transformer
200
The area around a magnet where the magnetic forces act
What is magnetic field
200
Type of current that only goes in one direction
What is Direct current
200
electromagnets are only magnetic when this is flowing through the coiled wire.
What is current
200
this device converts mechanical energy into electrical energy
What is a generator
200
type of transformer that increases the voltage in a power line
What is a step up transformer
300
a group of atoms with their magnetic poles aligned
What is magnetic domain
300
Energy source that provides Direct current
What is a Dry cell (battery)
300
coil of wire creating a strong magnetic field
What is a solenoid
300
Three sources of mechanical energy for a generator
What is wind moving water and heat energy
300
type of transformer you have on your home to decrease the voltage from the power line so it is safe for your appliances
What is a step down transformer
400
like poles __________ unlike poles___________
What is repel attract
400
source of alternating current
What is wall outlet (power plant)
400
device that uses an electromagnet to measure electric current
What is a galvonometer
400
large wheel turned by water wind or steam connected to a rotating magnet in a generator
What is a turbine
400
voltage use in our homes
What is 120 v
500
This acts as a magnet to find the earth's magnetic north pole
What is a compass
500
device used to measure electric current
What is a galvanometer
500
an electromagnet responds to this in an electrical appliance
What is a permanent magnet
500
source of energy used by most power plants in the U.S. to create thermal energy for its generators
What is Coal
500
The poles in most bar magnets are on opposite ends where as the poles in our ellipsoid magnets are here
What is in the middle
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