Electricity Flashcard

Front

What is the symbol for a battery?

Back

The symbol for a battery is two parallel lines, with one line longer than the other.

Front

What is the tendency for a material to oppose the flow of electrons?

Back

Resistance.

Front

What is the symbol for a light bulb?

Back

The symbol for a light bulb is a circle with a cross inside it.

Front

What type of current flows in only one direction?

Back

Direct current (DC).

Front

Is a battery a source of alternating current?

Back

False.

Front

What is the unit of electric current?

Back

Ampere (A).

Front

What is the unit of voltage?

Back

Volt (V).

Front

What is the unit of resistance?

Back

Ohm (Ω).

Front

What is a conductor?

Back

A material that allows the flow of electric current.

Front

What is an insulator?

Back

A material that resists the flow of electric current.