Some information on this circuits: An open circuit has an applied voltage but nothing of impedance connected that provides continuity. A closed circuit has applied voltage and a device in the circuit that draws current (appliance, lighting etc. and no a circuit with outlet plugs but nothing connected does not count as an open circuit)
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Answer:
Some information on this circuits: An open circuit has an applied voltage but nothing of impedance connected that provides continuity. A closed circuit has applied voltage and a device in the circuit that draws current (appliance, lighting etc. and no a circuit with outlet plugs but nothing connected does not count as an open circuit)