Electric Force and Fields Formative 1.30

Front

The closer the charges, the ___________ the force between them.

Back

stronger

Front

Electric charges that are different _______ each other.

Back

Attract

Front

From the diagram, if object A is negatively charged, what is the charge of object B?

Back

Positive

Front

The area of electric force around an electrically charged particle is called an...

Back

Electric Field

Front

What types of charges repel each other?

Back

Positive and Positive

Front

What is the unit of electric charge?

Back

Coulomb (C)

Front

What is the principle of superposition in electric fields?

Back

The total electric field is the vector sum of the individual fields.

Front

What happens to the electric force if the distance between two charges is doubled?

Back

The force is reduced to one-fourth its original value.

Front

What is the direction of electric field lines around a positive charge?

Back

Away from the charge.

Front

What is the direction of electric field lines around a negative charge?

Back

Towards the charge.