Unit 21: Vocabulary

Please study the 14 vocabulary terms below. Then press the Mark Complete button to continue.
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capacitor
an electrical component which uses electrostatics to store energy
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The flash bulb in my camera has an old capacitor and takes a long time to charge up.
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current
a flow of electric charge (such as electrons or ions)
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You can experience the current flow in a copper wire if you hook one end up to a voltage source.
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electrical circuit
a network or interconnection of electric components in a closed loop
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This electrical circuit is not in a closed loop and that is why the current does not flow to the bulb.

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