Physics - Key Words

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Circuit
A closed loop through which charge moves - from an energy source, through a series of components, and back into the energy source.
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Current
Moving electric charges, for example, electrons moving through a metal wire.
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electrical component
A device in an electric circuit, such as a battery, switch or lamp.
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fuse
An electrical component that protects circuits and electrical devices from overload by melting when the current becomes too high.
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oscilloscope
A device used to measure and observe electrical signals over time.
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potential difference
The potential difference (or voltage) of a supply is a measure of the energy given to the charge carriers in a circuit. Units = volts (V)
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Other cards in this set

Card 2

Front

Moving electric charges, for example, electrons moving through a metal wire.

Back

Current

Card 3

Front

A device in an electric circuit, such as a battery, switch or lamp.

Back

Preview of the back of card 3

Card 4

Front

An electrical component that protects circuits and electrical devices from overload by melting when the current becomes too high.

Back

Preview of the back of card 4

Card 5

Front

A device used to measure and observe electrical signals over time.

Back

Preview of the back of card 5
View more cards

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