Electricity Vocabulary Definitions

Dry cell

• A type of electrochemical cell that is used in portable devices.

• A type of rechargeable battery used in electric vehicles.

• A type of solar cell that converts sunlight into electricity.

• A type of alkaline battery used in household appliances.

Watt

• A unit of power equal to one joule per second.

• A measure of electrical resistance.

• A unit of energy equivalent to one joule per hour.

• A measure of frequency in hertz.

Electromagnetic induction

• The process of generating electric current with a changing magnetic field.

• The process of generating magnetic fields with a constant electric current.

• The phenomenon of light bending when passing through different mediums.

• The method of storing electric energy in a magnetic field.

Electric discharge

• The release of electricity stored in a source.

• A method of generating electricity from solar panels.

• The process of charging a battery.

• A phenomenon that occurs during a thunderstorm.

Transformer

• A device that changes the voltage of an alternating current.

• A device that stores electrical energy for later use.

• A device that converts direct current to alternating current.

• A device that measures electrical resistance.

Electric motor

• A device that converts electrical energy into mechanical energy.

• A device that converts mechanical energy into electrical energy.

• A device that stores electrical energy for later use.

• A device that generates electrical energy from chemical reactions.

Circuit

• A closed path through which electric current flows.

• A device that stores electrical energy.

• A type of electrical resistance.

• A measure of electrical power.

Battery cell

• A device that stores electrical energy for later use.

• A single electrochemical cell that converts chemical energy into electrical energy.

• A type of battery that cannot be recharged.

• A component that regulates the flow of electricity in a circuit.

Electrical generator

• A device that converts mechanical energy into electrical energy.

• A device that stores electrical energy for later use.

• A device that converts electrical energy into mechanical energy.

• A device that measures electrical current.

Electrical force

• The force exerted by an electric field on a charged particle.

• The force that opposes the motion of charged particles.

• The force that attracts all objects with mass towards each other.

• The force that causes a charged particle to lose energy.