electric topics

Which one of these is short for alternating current?

• AV

• AC

• DC

• DO

Which one describes something that is NOT a circuit?

• A charge cord laying on the table

• a charge cord connected to the wall and to the cell phone

• the ceiling lights plus the switch plus the wires, including the one to the power plant of the school

• battery, wire, and switch all on the same path from and back to a battery.

What does DC stand for in electricity?

• direct current

• decent current

• derived current

• dilly corn

Match the following

• volt

• DC

• Direct Current

• kWh

• unit of measure of electric resistance

• ohm

• Alternating current

• V

• kilowatt-hours

• AC

When a material is not a conductor usually, but acquires zero resistance to the flow of charge at temperature near absolute zero, it has this property:

• superconductivity

• elasticity

• potential energy

• a pretty color

Electric current is measured in ...

• amperes (amps)

• volts

• ohms

• inches

The high-voltage lines that go on the electric poles outside carry their voltage using which type of current, because this current works well over long distances.

• AC

• DC

• Really big z-cell batteries

• PE

Our cell phones and other small electric appliances use __________ because it works better in small distances.

• DC

• AC

• PC

• teeny tiny batteries

Which item below changes AC into DC for your phone to use?

• transformer

• transfigurer

• transatlantic

• transducer

What type of circuit is this?

• series circuit

• parallel circuit

• weird circuit

• not a circuit at all