Quiz  /  Electrostatics Class 10 MCQ Questions With Answers

  • 1. 
    If you triple the mass of one charge and double the distance between the charges, by how much will the force change?

  • x 0.67
  • x 6
  • x 0.75
  • x 1.5
  • x 5

  • 2. 
    Which particle has a negative charge?

  • Protons
  • Neutrons
  • Electrons
  • All of above

  • 3. 
    Find the electrical force between a +4 C charge and a -5 C charge that are 1.2 meters apart.

  • - 1.5 x 1011 N
  • - 1.25 x 1011 N
  • - 13.89 N
  • -1.25 N
  • 1.2 N

  • 4. 
    An object with a positive charge would ______ an object with a neutral charge

  • Attract
  • Repel
  • Do nothing.

  • 5. 
    Which part of the atom is negatively charged?

  • Proton
  • Neutron
  • Electron

  • 6. 
    Unlike insulators, conductors can be charged by:

  • Induction
  • Contact
  • Polarization
  • Grounding

  • 7. 
    When does an attractive force occur between two charged objects?

  • Like charges.
  • Unlike charges.

  • 8. 
    An object with a negative charge would _______ an object with a neutral charge.

  • Attract
  • Repel
  • Do nothing

  • 9. 
    Two objects with negative charges would:

  • Attract
  • Repel
  • Do nothing.

  • 10. 
    Which particle is responsible for creating ions?

  • Protons
  • Neutrons
  • Electrons

  • 11. 
    Electric flow is caused by the movement of-

  • Protons
  • Neutrons
  • Electrons

  • 12. 
    How does the magnitude of the electric force between two charged particles change when the particles are brought closer together?

  • Increases
  • Decreases

  • 13. 
    Which particle is responsible for creating different isotopes?

  • Protons
  • Neutrons
  • Electrons

  • 14. 
    The Oil Drop Experiment determined-

  • there are positive and negative charges
  • the flow of electrons towards a positive plate causes electricity to flow
  • the mass of the electron
  • the charge of the electron

  • 15. 
    Two charges are separated by a certain distance. If the distance between the charges is double, what happens to the force?

  • cuts to half the original force
  • cuts to 1/4 the original force
  • double the force
  • quadruple the force
  • Nothing! The electrostatic force is not related to distance!

  • 16. 
    True or False: Electric charges are the same as magnetic charges

  • True
  • False

  • 17. 
    A proton and an electron are in a room, which of the following is most likely?

  • They will move to opposite sides of the room (repel.)
  • They will meet in the middle (attract.)
  • They will just stay where they are (not affect each other.)

  • 18. 
    The fundamental force underlying all chemical reactions is _____.

  • Electrical (electrostatics.)
  • Gravitational
  • Centripetal
  • Newtonian

  • 19. 
    Milliken's Oil Drop Experiment uses which forces?

  • Attractive Electrostatic force and Attractive Gravitational Force
  • Repulsive Electrostatic force and Attractive Gravitational Force
  • Repulsive Electrostatic force and Repulsive Gravitational Force
  • Attractive Electrostatic force and Repulsive Gravitational Force

  • 20. 
    Who determined that electrons cause the flow of electricity as they are attracted to the cathode?

  • Ben Franklin
  • JJ Thompson
  • Rutherford
  • Milliken

  • 21. 
    What happens to electrons in conductors?

  • They are free to move from atom to atom.
  • They are bound to one atom only!
  • They cannot move at all!

  • 22. 
    Who determined there were positive and negative charges?

  • Ben Franklin
  • JJ Thompson
  • Rutherford
  • Milliken

  • 23. 
    What color would a yellow lemon be if placed in magenta light?

  • Black
  • Green
  • Red
  • Blue
  • Magenta

  • 24. 
    What is the SI unit for electric charge?

  • Newtons
  • Coulombs
  • Kilograms
  • Joules

  • 25. 
    Both insulators and conductors can be charged by:

  • Contact
  • Induction
  • Grounding
  • Polarization

  • 26. 
    If a conductor is in electrostatic equilibrium, the electric field inside the conductor is:

  • Positive
  • Negative
  • Zero
  • Perpendicular

  • 27. 
    What type of electromagnetic radiation has the most energy?

  • Radio Waves
  • X-Rays
  • Gamma Rays
  • Microwaves
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