Couomb's Law Quiz

Which two particles are attracted to each other?

• Two neutrons

• A proton and an electron

• Two protons

• An electron and a neutron

A repulsive force exists between which two particles?

• Two neutrons

• An electron and a neutron

• An electron and a proton

• Two protons

As two oppositely charged particles approach each other, what happens to the electrical force between them?

• The attractive force increases

• The magnitude of the electric force decreases

• The repulsive force increases

• The magnitude of their charges increases

A balloon is rubbed on a student's head. What occurs because of this?

• Charged particles on the balloon are destroyed

• Positively charged particles move from head to balloon

• Charged particles from the balloon are released into the air

• Negatively charged particles move from head to balloon

The Electric Force is strongest when charges are...

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

What variable is a Coulomb the unit for?

• Charge
• Force
• Distance
• Mass

What happens to the force between two charged objects when you halve the distance between them?

• 2X

• 1/2X

• 4X

• 1/4X

If one of the charges doubles, what happens to the force?

• it doubles

• it gets cut in half

• it quadruples

• it is cut by 1/4

If the distance doubles, what happens to the force?

• Reduced by half
• Reduced by 1/4
• Stays the same
• Quadruples

When distance increases, electrostatic force ____________; we call this relationship ____________ proportional

• decreases;directly
• decreases;inversely
• increases;inversely
• increases;directly