Energy - Electricity and Electric Power Generation

Electricity and Electric Power Generation

Approximately when did the first power stations appear?

1950

1900

1700

1790

What type of electric current is most commonly used to transmit electricity?

impulse

DC

intermittent

AC

Static electricity can be produced by

turbine generator

rubbing a balloon with a wool cloth

electric guitar

internal combustion engine

Electric motors normally

consume electric energy

multiply electric energy

produce electric energy

conserve electric energy

Volt is a unit of

electric potential

electromagnetic interference

electric current

wire temperature

Electrical current is better conducted by

copper

wood

plastic

crazy glue

A positive and a negative particles

vibrate

repel

attract

rotate

Two negatively charged particles

rotate

vibrate

repel

attract

Electrical current is produced at

electric transformers

oil refineries

electric power stations

microwave ovens

In a turbine generator electrical energy is produced from

mechanical energy

nuclear energy

chemical energy

solar wind

Electric generators normally

convert electric energy into potential energy

produce electric energy

convert static electricity into electric energy

consume electric energy

Electrical current is carried in the wires by

protons

neutrinos

neutrons

electrons

Electric wires normally

produce electric current

carry electric current

emit light

convert electric energy into water

What material is not normally used to produce electricity?

coal

plastic

gas

wood

Two positively charged particles

rotate

vibrate

attract

repel

The electric bulb emits light because

hot air circulates inside the bulb

the air inside gets hot

the filament inside gets hot

the magnets inside rotate

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