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Electric Circuits and Their Components

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Questions and Answers

What role does a battery play in a circuit?

It prevents the flow of electricity.

It stores and provides electricity. (correct)

It increases the speed of electric current.

It acts as a switch controlling circuit flow.

Which of the following statements is true about conductors and insulators?

Only liquids can be insulators.

Conductors block electricity, while insulators allow it to pass.

All materials can conduct electricity to some extent.

Metals are conductors, while plastic and rubber are insulators. (correct)

What is the difference between an open circuit and a closed circuit?

Both circuits are types of batteries.

Open circuits are permanent; closed circuits are temporary.

A closed circuit allows electricity to flow; an open circuit does not. (correct)

An open circuit allows electricity to flow; a closed circuit does not.

Which material would be classified as an insulator?

Plastic (D) Signup and view all the answers

What is the primary purpose of a switch in a circuit?

To control the flow of electricity. (B) Signup and view all the answers

What happens when electrical wires are touched with wet hands?

It can lead to electric shocks. (C) Signup and view all the answers

How does electricity flow in a circuit?

Like water flows in a pipe. (C) Signup and view all the answers

Which of the following are common uses of electricity?

Increasing temperatures in ovens and running refrigerators. (D) Signup and view all the answers

Flashcards

Electricity

The flow of electric charge that powers devices.

Electric Circuit

A closed path through which electricity flows.