Electric Charge and Electric Forces

Multiple Choice

Which subatomic particles are present in equal amounts in a neutral atom?

• Protons and electrons

• Protons and neutrons

• Electrons and neutrons

• Protons only

Multiple Choice

Which of the following best describes the significance of electric charge in atoms?

• It determines how atoms interact with each other and form molecules.

• It only affects the color of the atom.

• It is responsible for the mass of the atom.

• It has no effect on the atom's properties.

Multiple Choice

What should be the relationship of a neutral atom in regards to protons and electrons

• There should be more protons than electrons

• There should be more electrons than protons

• Protons and Electrons should be equal

• There is no relationship between Protons and electrons

Multiple Select

How can an object become electrically charged?

• Gain an electron

• lose a neutron

• lose an electron

• gain a neutron

Multiple Choice

Which of the following statements about electrically charged objects is correct?

• Same charges repel, opposite charges attract.

• Same charges attract, opposite charges repel.

• All charges attract each other.

• All charges repel each other.

Multiple Choice

Which material in the diagram acts as the conductor and which acts as the insulator?

• Copper is the conductor, rubber is the insulator

• Rubber is the conductor, copper is the insulator

• Both copper and rubber are conductors

• Both copper and rubber are insulators

Multiple Choice

Which of the following materials are good conductors of electricity?

• Copper and aluminum

• Plastic and rubber

• Wood and glass

• Paper and cotton

Multiple Choice

Which part of the wire acts as the conductor and which part acts as the insulator?

• Copper acts as the conductor, rubber acts as the insulator.

• Rubber acts as the conductor, copper acts as the insulator.

• Both copper and rubber are conductors.

• Both copper and rubber are insulators.

Match

Match the following material with its classification as an insulator or conductor

• Metal bar

• Wooden Spoon

• Copper Wire

• Rubber

• Water

Conductor because electrons flow easily

Insulator- Wood is not a good conductor

Conductor- used in most wires

Insulator- Coating on most wires

Conductor- be careful when wet!

• Conductor because electrons flow easily

• Insulator- Wood is not a good conductor

• Conductor- used in most wires

• Insulator- Coating on most wires

• Conductor- be careful when wet!

Multiple Choice

Which of the following statements best describes the process of charging a sphere by induction as shown in the diagram?

• A balloon induces electron movement, and when touched, electrons leave the sphere, resulting in a positively charged sphere.

• The sphere gains electrons from the balloon and becomes negatively charged.

• The sphere is charged by direct contact with the balloon.

• The sphere remains neutral throughout the process.

Multiple Choice

What kind of objects can be charged by induction?

• Objects that hold electrons

• Objects that lose protons

• Objects that are magnetic

• Objects that are transparent

Multiple Choice

Which is not a way in which objects can become electrically charged?

• Contact

• Induction

• Election

• Conduction

Multiple Choice

Which of the following best describes an electric discharge?

• The process of an unbalanced electric charge becoming balanced.

• The movement of electrons in a wire.

• The attraction between positive and negative charges.

• The buildup of static electricity.

Multiple Choice

What is the main purpose of grounding in electrical systems?

• To provide a path for electric charges to flow safely into the ground.

• To increase the voltage of the system.

• To prevent the flow of electricity.

• To store electric charges.

Dropdown

Fill in the blank: When two objects with the same type of charge are brought close together, they will ___.

Select answer