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To keep shorts from happening.

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9y ago

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Related Questions

Which insulator does a switch use to cut off the current in a circuit?

A switch uses an insulator called an "air gap" to cut off the current flow in a circuit. When the switch is turned off, it creates a physical break in the circuit, preventing electricity from passing through.


What changes a voltage in a circuit?

an insulator


What can stop a circuit from operating properly?

An insulator.


What are some everyday uses for insulators?

One of the typical applications of the solid liquid and gas electrical insulator is that it is used in the transformers to prevent the arcs.


What does a insulator do in a circuit?

It protects us from electric shocks.


What is something what will not let electricity flow in a circuit is an?

Insulator


How can you use a circuit to decide whether an object is a conductor or an insulator?

Well, if you have a functioning (=closed) circuit, and introduce an unknown object, then if the circuit is still functioning (=closed) then the object is a conductor. If it stops working, then it's either an insulator or an very poor conductor.


Would a4 paper complete a circuit?

No paper is an insulator.


If an insulator with a lamp is connected in a electrical circuit The switch is turned-on What happens?

If an insulator with a lamp is connected in an electrical circuit and the switch is turned on, the lamp will not light up. Insulators do not allow the flow of electric current, so the circuit will not be completed, and no electricity will reach the lamp to cause it to light up.


Can a circuit have more than one insulator?

Yes, depending on how you build it.


How could you use your open circuit to test is a material is a conductor or insulator?

Connect your material to the gap of the open circuit and see if the load(e.g bulb) works, if it does then the material is a conductor and if it doesn't then it's an insulator


How is an insulator in a circuit?

An insulator is used to protect people from being electrocuted by the live wire. Most commonly used insulators are plastic or rubber.