Electricity Flashcard

Front

Electricity moves only in a __________ circuit.

Back

closed

Front

Lightning is _____

Back

a large discharge of static electricity

Front

A closed path that electric current follows is called a __________.

Back

Circuit

Front

What charge does an electron have?

Back

negative (-)

Front

What is a circuit?

Back

A pathway that electricity flows in. It has a resistor, wire, and a power source.

Front

What is the unit of electric current?

Back

Ampere (A)

Front

What is voltage?

Back

The difference in electric potential energy per unit charge between two points.

Front

What is resistance?

Back

The opposition to the flow of electric current, measured in ohms (Ω).

Front

What is a conductor?

Back

A material that allows electricity to flow through it easily.

Front

What is an insulator?

Back

A material that does not allow electricity to flow through it easily.