Electricity Flashcards
What is current measured in?
Amps (A)
The electrode through which elections leave an electric cell
Anode
The electrode through which electrons enter an electric cell
Cathode
A substance that allows electric charges to flow through easily
Conductor
An electric cell in which the electrolyte is a paste
Dry cell
A device that changes chemical energy into electrical energy
Electric cell
A system through which an electric current travels
Electric circuit
The flow of electrons or flow of charge
Electric current
The amount of electrical energy used each second
Electric power
A form of energy called electrical energy
Electricity
A device that that can detect the presence of electrical charges
Electroscope
The process of removing the charge on a charged object by connecting it to the earth
Grounding
The process of charging an object by the presence of a nearby charged object
Induction
A substance that does not allow electrical charges to flow through easily
Insulator
A unit of power equal to 1000 watts or 1000 joules per second
Kilowatt
The relationship between resistance l, voltage, and current
Ohm’s law
An electric circuit in which there in more than one path for the current to travel
Parallel circuit
The opposition to the flow of charges in a substance
Resistance
An electric circuit in which there is only one path for the current tot travel
Series circuit
The effects caused by electric charges at rest
Static electricity
A measure of the energy available to move charges in a circuit
Voltage
An electric cell that contains an electrolyte in liquid solution
Wet cell
