Electricity Basics

Front

What must a switch be to complete a circuit?

Back

Closed

Front

What type of current do batteries use?

Back

Direct current

Front

What is the symbol for a battery?

Back

[Battery Symbol]

Front

What is the symbol for an open switch?

Back

[Open Switch Symbol]

Front

Who researched the relationship between voltage, current, and resistance in 1827?

Back

Georg Ohm

Front

What is electricity?

Back

Electricity is the flow of electric charge, typically through a conductor.

Front

What is a circuit?

Back

A circuit is a closed loop that allows electricity to flow.

Front

What is voltage?

Back

Voltage is the electrical potential difference between two points.

Front

What is current?

Back

Current is the flow of electric charge, measured in amperes.

Front

What is resistance?

Back

Resistance is the opposition to the flow of electric current, measured in ohms.