Spring Final Review - Electricity

Protons are _ and electrons are _.

• positive, neutral

• positive, negative

• neutral, negative

• negative, positive

Opposite charges will...

• attract

• repel

• not interact

Tags

NGSS.MS-PS2-3

Two electrons will...

• attract each other because of their like charges

• repel each other because of their similar charges

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

The closer two charges are two each other, the _ the force between them.

• stronger

• weaker

• Trick question! The distance between them has no effect on the electric force.

Tags

NGSS.HS-PS2-4

If the distance between two charges is cut in half, the force between them will...

• also be cut in half

• double

• quadruple

• be reduced to 1/4 the original force

Tags

NGSS.HS-PS2-4

If there is an attraction of 1 N between 1-C and 2-C charges, what is the force between 2-C and 2-C charges at the same distance?

• 1 N

• 0.5 N

• 2 N

• 4 N

Tags

NGSS.HS-PS2-4

What is the difference between a good electrical conductor and a good insulator?

• Electrons are more tightly bound in a conductor.

• Electrons are free to move around in a conductor.

• Conductors have fewer electrons.

• Insulators tend to be metals.

Tags

NGSS.HS-PS2-6

How are current and resistance related?

• directly proportional

• inversely proportional

• not related at all

A circuit that has multiple pathways between one end of the battery and the other is a _ circuit.

• series

• parallel

What is true about the voltage changes in this circuit?

• Each branch is equal to the voltage of the battery.

• The sum of the branches is equal to the battery.