Electricity 1
Inside each atom (but not in the nucleus) is a smaller part called what?
Electrons
Electricity is the movement of what particle?
Electrons
A device that transfers mechanical energy into electrical energy is called a:
A generator
What is the unit used for resistance in a circuit?
Ohms
What is the unit used for current?
Ampere, Amps
What type of current do large appliances and homes use? Alternating or direct current?
Alternating current
What is static electricity?
A build up of excess charges on an object
What 3 things are necessary for electricity to flow in a circuit?
Voltage, conductor (wire), resistor (light bulb, ect)
A circuit that has only one path
Series curcuit
What is a conductor?
A material that allows charges to flow though it
What is one example of a conductor?
metals, copper, gold, silver, salt water, ect
What is one example of an insulator?
Several examples can be given.
What type of circuit has more than one path of flow.
Parallel Circuit
Name of the electric current that only moves in only one way, like a battery
Direct current
What is the electric force required to cause electrons to flow in a circuit called?
The voltage
What is an insulator?
A material that current cannot pass through easily.
What type of charge transfers through direct contact of objects
conduction
What is the definition of an electromagnet?
A temporary magnet made by wrapping a wire that carries a current around an iron core
Charging method that requires contact of objects but no motion
Conduction