A subfield of electrical engineering that deals with the generation, transmission and distribution of electricity as well as the design of a range of related devices like: transformers, electric generators, electric motors and p

Electric current that changes direction continually.

A device that stores electricity for future use.

A substance that allows electricity to pass through it.

A type of iron ore with a silvery finish, sometimes called magnetite.

lamp that burns a filament in a vacuum in a glass bulb.

When an electrical current is produced without any physical connection between the two parts of the circuit.

The unit of measure of electrical charge.

A form of energy associated with the presence and movements of electrical charges.

Any gas fuel derived from the decay of organic matter, as the mixture of methane and carbon dioxide produced by the bacterial decomposition of sewage, manure, garbage, or plant crops. Answer key:

A barrier to obstruct the flow of water, esp. one of earth, masonry, etc., built across a stream or river.

The physics of the electromagnetic field; a field encompassing all of space which exerts a force on particles that possess the property of electric charge, and is in turn affected by the presence and motion of those particles.

To bring under conditions for effective use the power of seas; gain control over for a particular end.