Electrostatics and Lightning Quiz

What happens when you rub a plastic comb with dry hair?

• It becomes a conductor.

• It acquires a static charge.

• It becomes an insulator.

• It loses its charge.

What is the charge of an object that loses electrons?

• No charge

• Neutral

• Negatively charged

• Positively charged

How does a gold leaf electroscope indicate the presence of a charge?

• The leaves collapse.

• The leaves diverge.

• The knob changes color.

• The rod vibrates.

What happens to the leaves of a positively charged electroscope when a negatively charged body is brought near?

• The leaves converge.

• The leaves remain unchanged.

• The leaves collapse.

• The leaves diverge further.

What is the process of transferring charge from a charged object to the earth called?

• Earthing

• Conduction

• Electrification

• Induction

How does a body develop an opposite charge by induction?

• By being brought near a charged body

• By being earthed

• By being rubbed with another object

• By direct contact with another charged body

What did Benjamin Franklin discover about lightning?

• It is a form of static electricity.

• It is caused by friction.

• It is electrical in nature.

• It is a type of conduction.

What safety measure should be taken during a thunderstorm?

• Stay in open fields.

• Stand under a tree.

• Use electronic devices.

• Stay indoors and keep windows shut.

What is the role of a lightning conductor?

• To attract lightning to the building

• To provide a path for lightning to the ground

• To increase the building's height

• To prevent rain from entering the building

What causes cloud-to-ground lightning?

• Negative charges in the clouds

• Positive charges in the clouds

• No charges in the clouds

• Neutral charges in the clouds