Question Answer
Ohm's law The law that states that resistance is equal to voltage divided by current.
series circuit An electric circuit with a single path
ammeter A device used to measure current in a circuit.
parallel circuit An electric circuit with multiple paths
voltmeter A device used to measure voltage, or electrical potential energy difference
power The rate at which one form of energy is transformed into another.
short circuit A connection that allows current to take an unintended path.
grounded Allowing charges to flow directly from the circuit into Earth in the event of a short circuit.
third prong The round prong of a plug that connects any metal pieces in an appliance to the safety grounding wire of a building.
fuse A safety device with a thin metal strip that will melt if too much current passes through a circuit.
circuit breaker A reusable switch that breaks the circuit when the current becomes too high.

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