Electricity and magnetism

Front

What is a closed circuit?

Back

A closed circuit is a complete electrical loop that allows electricity to flow through it.

Front

What is a battery's role in a circuit?

Back

A battery provides the electrical energy needed to power a circuit.

Front

What is a conductor?

Back

A conductor is a material that allows electrons to flow easily, such as copper or aluminum.

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Front

What is an insulator?

Back

An insulator is a material that does not allow electrons to flow easily, such as rubber or wood.

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Front

What happens when two like poles of a magnet are brought close together?

Back

They repel each other and move farther apart.

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Front

What happens when two opposite poles of a magnet are brought close together?

Back

They attract each other and move closer together.

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Front

What is static electricity?

Back

Static electricity is the buildup of electric charge on the surface of objects.

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Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that is created by electric current flowing through a wire.

Front

What is the role of grounding in electrical systems?

Back

Grounding provides a safe path for excess electricity to flow into the earth, preventing electrical shock.

Front

What is voltage?

Back

Voltage is the measure of electric potential difference between two points in a circuit.