Electrostatics Quiz

What happens to a body when it loses electrons?

• It becomes positively charged
• It becomes negatively charged
• It remains neutral
• It becomes a conductor

According to Coulomb's Law, how does the force between two charged bodies change when the distance between them decreases?

• The force decreases
• The force remains the same
• The force increases
• The force becomes zero

Which of the following materials is considered a good conductor of electricity?

• Rubber
• Glass
• Copper
• Plastic

What is the primary characteristic of insulators?

• They allow electric charges to flow freely
• They contain free electrons
• They do not allow electric charges to flow freely
• They are always positively charged

When two like charges are brought close together, what is the expected interaction?

• They attract each other
• They repel each other
• They have no effect on each other
• They neutralize each other

What occurs when a polythene rod is rubbed with a dry wool cloth?

• The rod loses electrons and becomes positively charged
• The rod gains electrons and becomes negatively charged
• The cloth becomes a conductor
• The rod and cloth remain neutral

Which of the following statements about charged bodies is true?

• Like charges attract
• Unlike charges repel
• Charged bodies can attract light objects
• Charged bodies cannot interact with their environment

What is the role of moisture in insulators?

• It enhances conductivity
• It has no effect
• It compromises insulating properties
• It makes them more effective

If a balloon rubbed on hair becomes negatively charged, what charge does the hair acquire?

• Negatively charged
• Positively charged
• Neutral
• Indeterminate

Which of the following is an example of charging by rubbing?

• Charging a battery
• Charging a phone
• Rubbing a balloon on hair
• Connecting wires