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Ammeter
A device used to measure electric current in a circuit.
Cell
A cell is a device that provides electrical energy to a circuit.
Electric circuit
An electric circuit is a complete, closed path that allows electric current to flow.
Junction Rule
At any junction in a circuit, the total current flowing into the junction equals the total current flowing out.
Load
A load is a component that transfers electrical energy into another form.
Parallel circuit
A parallel circuit is a circuit in which components are connected on separate branches.
Series circuit
A series circuit is a circuit in which all components are connected in a single loop.
Voltmeter
A voltmeter is a device used to measure voltage.