Electrostatics

At which point is the electric field the strongest?

• Point A

• Point B

• Point C

• Point D

What is an electric field?

• A region around a charged object where other charges experience a force.

• A type of energy that can be stored in batteries.

• A measure of the resistance of a material to electric current.

• A phenomenon that occurs when two magnets attract each other.

What happens when an object gains electrons?

• It becomes positively charged.

• It becomes neutrally charged.

• It becomes negatively charged.

• It loses mass.

What is induction in electrostatics?

• Charging an object without direct contact by influencing the charge distribution.

• Charging an object by direct contact with another charged object.

• Charging an object by rubbing it with another object.

• Charging an object by placing it in a strong electric field.

What is grounding in electrostatics?

• Connecting an object to the Earth to neutralize its charge.

• Isolating an object to prevent charge transfer.

• Charging an object by induction.

• Connecting an object to a power source.

What is the charge of an electron?

• Positive

• Neutral

• Negative

• Variable

What is conduction in electrostatics?

• Charging an object by direct contact with a charged object.

• Charging an object by induction from a nearby charged object.

• Charging an object by rubbing it with another object.

• Charging an object by exposing it to an electric field.

If an atom has 8 protons and 10 electrons, what is its charge?

• Positively charged because it has excess protons.

• Negatively charged because it has excess electrons.

• Neutral because protons and electrons are equal.

• Positively charged because it has more neutrons.

What is the unit of electric charge?

• Ampere (A)

• Volt (V)

• Coulomb (C)

• Ohm (Ω)

What is the relationship between charge and electric force?

• Like charges attract, and opposite charges repel.

• Like charges repel, and opposite charges attract.

• Opposite charges do not interact with each other.

• Electric force is independent of charge.