The unit used to measure the strength of a battery or electric current.
A device used to open and close a circuit.
A material that allows electric current to flow through it.
A material that does not allow electric current to flow through it.
A liquid that contains dissolved solid materials.
Electric current can flow only through a circuit that is __________.
On a circuit diagram, a long line and a short line side-by-side are the symbol for a __________.
Which of the following is not an example of static electricity?
The points where electric current leaves and enters a battery are __________.
Many wires are covered with rubber or plastic because these materials are __________.
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