Static E QUIZ

What parts of an atom are in the nucleus?

• Protons
• Neutrons
• Electrons
• Protons and Neutrons

If we surrounded our cell phone in aluminum the electric field inside would be...

• based on the charge on the outside
• zero
• cannot be determined without the distance
• 12

For a balloon stuck to a wall by static electricity, what is the force that is equal and opposite to the normal force?

• Gravity
• Static Friction
• Electric Force
• Plastic Force

The Electric Force is strongest when charges are...

• close together
• far apart
• the electric force is constant everywhere

For a balloon stuck to a wall by static electricity, what is the force that is equal and opposite to gravity?

• Normal Force
• Static Friction
• Electric Force
• Plastic Force

An electric field has both direction and magnitude

• True
• False

A 2 C charge experiences a force of 40 N when put at a certain location in space.  The electric field at that location is..

• 2 N/C
• 20 N/C
• 80 N/C
• 42 N/C

The electric field in a certain region of space is 30 N/C.  What is the force on a 2 C charge in that space?

• 32 N
• 15 N
• 60 N
• 45 N

When the distance between two charges is halved, the force between them...

• doubles
• quadruples
• cut into a fourth
• cut in half

The distance between two charges doubles at the same time that the charge on each also doubles.  What happens to the electric force?

• doubles
• quadruples
• cut in half
• no change