Electric Current Flashcard

Front

What is an electric current?

Back

The flow of electric charges (electrons)

Front

What is the SI unit for electric current?

Back

Ampere

Front

What happens in a simple electric circuit when the switch is open?

Back

Current will not flow

Front

How do batteries create an electric field in a circuit?

Back

Through chemical reactions

Front

Electric resistance

Back

The measure of how difficult it is for electrons to flow

Front

What is the unit for electric resistance?

Back

Ohm

Front

What happens to electrical energy when electrons collide with atoms?

Back

It is converted into other forms of energy

Front

How does increasing the electric field affect the movement of electrons?

Back

It causes them to move faster

Front

What is voltage a measure of?

Back

The amount of electrical energy transferred by an electric charge

Front

In a series circuit, what happens if one device fails?

Back

Current will not flow at all