Electrostatics - Conceptual Questions

An atom loses an electron.  What type of charge does it have now?

• positive
• negative

What direction are the electric field lines around an electron?

• towards the charge
• away from the charge

Which of the following is not a good insulator?

• Copper
• Glass
• rubber
• wool

The law of conservation of charge states that...

• all atoms have more protons than electrons
• only protons can be rubbed off of an atom
• charge cannot be created or destroyed
• charge cannot be transferred 

An atom of oxygen has 8 protons and 10 electrons, this means the atom is ____________

• positively charged because it has excess electrons

• negatively charged because it has excess electrons

• positively charged because it has a deficiency of electrons

• negatively charged because it has a deficiency of electrons

What does it mean when the electric field lines are close together?

• the field is positive

• the field is negative

• The field is strong

• the field is weak

Two like charges

• neutralize each other.

• repel each other.

• must be neutrons.

• attract each other.

Which of the following is not a good conductor of electricity?

• copper

• silver

• Glass

• aluminum

When the distance between two charges is halved, the electrical force between the charges

• quadruples

• reduces to one fourth

• halves

• doubles

Electric charge is neither created nor destroyed, but can be rearranged.

• true
• false