coulomb's law and electric fields

Which two particles are attracted to each other?

• Two neutrons

• A proton and an electron

• Two protons

• An electron and a neutron

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

A repulsive force exists between which two particles?

• Two neutrons

• An electron and a neutron

• An electron and a proton

• Two electrons

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

How is the electric force between two charges affected when both of the charges are cut in half?

• decreases four times

• no change

• increase four times

• increases 2 times

Tags

NGSS.HS-PS2-4

What happens to the electric force between two charges when the distance is in creased four times?

• 4 times more electric force

• 16 time more electric force

• 16 times less electric force

• 64 times more electric force

Tags

NGSS.HS-PS2-4

If the distance doubles, what happens to the force?

• doubles

• Reduced by 1/4

• Stays the same

• Quadruples

Tags

NGSS.HS-PS2-4

If the distance is reduced by 1/4, what happens to the force?

• 16 times

• Reduces by a fourth

• no change

• Reduces by half

The Electric Force is strongest when charges are...

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

Tags

NGSS.HS-PS2-4

Electric Field strength depends on what

• charge

• distance

• charge and distance

• electric force

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Electric field lines are _________________ to the electric field vector at any point.

• vertical

• horizontal

• perpendicular

• tangent

The electric field just outside a charged conductor is _________________ to the conductor's surface.

• vertical

• horizontal

• perpendicular

• tangent