L1: Electricity (Topic 7)

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Last updated 11:08 AM on 4/11/26
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43 Terms

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Lesson 1 Flashcards — Electricity ⚡
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3
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What is electricity?
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→ The flow of electrons
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What is current?
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→ The flow of electrons in a conductor
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What is the unit of current?
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→ Amperes (amps)
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What is the symbol for current?
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→ I
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What is a circuit?
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→ A complete loop that allows current to flow
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Why must a circuit be complete?
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→ Because electrons can only flow in a closed loop
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What happens if a circuit is broken?
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→ Current cannot flow
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What carries charge in a circuit?
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→ Electrons
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What is a conductor?
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→ A material that allows current to flow
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What is an insulator?
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→ A material that does not allow current to flow
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Give an example of a conductor
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→ Metal
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Give an example of an insulator
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→ Plastic or rubber
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What is a special non-metal conductor?
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→ Graphite
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What does a battery do in a circuit?
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→ Provides energy and pushes electrons around the circuit