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The directions of current flow can be controlled by diode, one direction has low resistance the other has a very high resistance. Depending on how the diode is added to the system current flow can be either way.

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16y ago

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When a switch in an electrical circuit is turned off what will happen?

Closing a switch in an electrical circuit will complete the circuit. The supply voltage will then be applied to that circuit, and current will flow through that circuit.


How does a circuit turn a switch on and off?

A switch makes a physical break in the electric circuit. With the circuit broken the electricity can not flow. When the switch is turned the other way the circuit is completed and the current/electricity can flow.


What is happening when a switch is off?

When the light switch is turned on and a light bulb is connected in the circuit a current will flow through the circuit. Likewise when the switch is opened, the current will stop flowing in the circuit.


What does the on and off switch do on an electrical circuit?

The on and off switch controls the flow of electricity in the circuit. When the switch is on, it completes the circuit and allows electricity to flow through. When the switch is off, it breaks the circuit and stops the flow of electricity.


What does a switch do in a curcuit?

A switch can create a gap in a circuit causing the circuit to turn on or off!


What are you doing to the electrical circuit in your radio when you turn the radio off and on?

When you turn your radio on and off, you are simply flicking the switch in the circuit, the same as any circuit with a switch in it. When you turn it on, the switch completes the circuit, and current can flow around the circuit.


What are you doing to the electrical circuit in your radio when you turn the radio on and off?

When you turn your radio on and off, you are simply flicking the switch in the circuit, the same as any circuit with a switch in it. When you turn it on, the switch completes the circuit, and current can flow around the circuit.


When the switch is closed it means that?

There is a complete path for the electricity to flow. The opposite of an open circuit. If a light switch is on and the light comes on, the circuit is closed. If the switch is turned off, the light goes off because the circuit is open.


How a switch works when it is on and off?

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What is a devise that turns a circuit off and on?

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What is a open switch circuit?

An open switch circuit is a circuit where the switch is in the "off" position or where the circuit is not complete, preventing the flow of electricity through the circuit. This results in no current flowing and no electrical devices being powered or functioning.


When you move the switch of a flashlight to on the light goes on When you move it to off the light goes off How does this happen?

When you move the switch to the "on" position, it completes the circuit and allows current to flow from the battery to the lightbulb, activating it. When you move the switch to the "off" position, it breaks the circuit, cutting off the flow of electricity to the lightbulb and turning it off. This behavior is controlled by the internal wiring and components of the flashlight.