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- 1. Multiple ChoiceTwo like chargesneutralize each other.repel each other.must be neutrons.attract each other.
- 2. Multiple ChoiceThe charge of an electron ispositive.negative.Electrons have no charge
- 3. Multiple ChoiceWhat direction are the electric field lines around an electron?towards the chargeaway from the charge
- 4. Multiple ChoiceThe law of conservation of charge states that...all atoms have more protons than electronsonly protons can be rubbed off of an atomcharge cannot be created or destroyedcharge cannot be transferred
- 5. Multiple ChoiceWhen distance increases, electrostatic force ____________; we call this relationship ____________ proportionaldecreases;directlydecreases;inverselyincreases;inverselyincreases;directly
- 6. Multiple ChoiceWhat variable is a Coulomb the unit for?ChargeForceDistanceMass
- 7. Multiple ChoiceWhat variable do "Newtons" represent?Electrostatic ChargeForceDistanceMass
- 8. Multiple ChoiceWhat happens to the force between two charged objects when you double the distance between them?2X1/2X4X1/4X
- 9. Multiple ChoiceWhat happens to the force between two charged objects if you double the distance between them and double the magnitude of one charge?4X6X1/2X1/6X
- 10. Multiple ChoiceElectrostatic force F is directly proportional to:r^2 (distance squared)q1q2both q1 and q2
- 11. Multiple ChoiceWhen distance increases, electrostatic force ____________; we call this relationship ____________ proportionaldecreases;directlydecreases;inverselyincreases;inverselyincreases;directly
- 12. Multiple ChoiceWhat variable do Coulombs represent?Electrostatic ChargeForceDistanceMass
- 13. Multiple Choice
Recap:
Coulomb’s law states that the force between two charged objects will __________ when the magnitude of the object’s charge increases.
Coulomb’s law also states that the force between two charged objects will __________ when the distance between objects increases.
increase; increase
increase; decrease
decrease; increase
decrease; decrease
- 14. Multiple ChoiceThe Electric Force is strongest when charges are...close togetherfar apartthe electric force is constant everywhere
- 15. Multiple Choice
Which two particles are attracted to each other?
Two neutrons
A proton and an electron
Two protons
An electron and a neutron
- 16. Multiple Choice
A repulsive force exists between which two particles?
Two neutrons
An electron and a neutron
An electron and a proton
Two protons
- 17. Multiple ChoiceTwo charges separated by a distance of 1 meter exert a 20-N force on each other. If the charges are pulled to a 2 meter separation distance, the force on each charge will be10 N5 N2.5 N40 N
- 18. Multiple Choice
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
- 19. Multiple Choice
Coulomb's law is used to calculate
Magnetic dipole moment
Force between two charges
Energy of a conductor
Force due to gravity
- 20. Multiple Choice
Coulomb's law says that the force between any two charges depends
directly on the size of the charges
inversely on the square of the distance between the charges
both are correct
- Answer choicesTagsAnswer choicesTags