Question

 What is used to open&close a circuit?

Answer A switch opens or closes a circuit. The switch is a piece of wire. When the switch is open, there isn't a loop (circuit) and electrical energy won't move through the circuit.
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Top Q&A For: What is used to open&close a circuit

What is a parallel circuit used for?

A parallel circuit provides full voltage to many devices. Your household electrical wiring forms parallel circuits, so every appliance gets 120 volts. Every additional appliance consumes its share ... Read More »
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What is a circuit breaker used for?

A circuit breaker is an electrical switch used to safeguard an electrical circuit so that it is kept safe in the event of a short circuit of a circuit overload. It functions by detecting a faulty c... Read More »
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What size wire is used on a 15 amp circuit breaker?

You can use either 12 gauge or 14 gauge wire with a 15-amp circuit breaker. However, 14 gauge often is not big enough and best used only with alarm and three-way switch circuits which don't draw mu... Read More »
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What tool is used to solder wires to a circuit board?

A soldering iron is used with electronic solder to attach electronic components and small jumper wires to a circuit board. For delicate electronics and circuit-board work, an iron of 15W to 30W is ... Read More »
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