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Current flows from the positive terminal (anode) to the negative terminal (cathode) in a LED (Light Emitting Diode). This flow of current causes electrons to release energy in the form of light, illuminating the LED.

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Q: Which way does current flow in a led?
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Related questions

How are led's powered?

LEDs are powered by direct current (DC) power. They require the voltage and current that they are built for. LEDs are diodes which means that current will only flow one way through them, if you wire up a LED backwards it will not function.


Which way does the current flow in a car?

The current flow is from positive to negative whereas electron flow is from negative to positive.


In a battery using device the current would flow from the Negitive end through say a led light then find its way to the Positive end of the battery completing the transition?

NO. By tradition and usage : current flows from positive to negative. In reality : electrons flow from negative to positive.


Why are led legs different in size?

Current will only flow one way through an LED, so it has a positive leg and a negative leg. One of them is longer to signify which is which (longer is negative). The negative side also has a chamfered edge on the LED itself.


What the role of a resistor in an led circuit?

a resister is to RESIST current flow....if the LED gets the full effect of the power supply, the LED will immediately blow out.


What is a functoin of a resistor?

esistors restrict the flow of electric current, for example a resistor is placed in series with a light-emitting diode (LED) to limit the current passing through the LED.


What is charged by having a one way current flow through it?

A battery is charged by having a DC current flow through it.


What direction does the Erie canal flow?

its a lake there is no current it does FLOW in any way


Why is LED used in place of a bulb in a tester?

we may use a LED in place of a bulb in a tester as LED glows even when there is a small electric current flow through it


What is two way current called?

Two-way current is called alternating current (AC). In AC, the flow of electric charge periodically reverses direction, unlike direct current (DC) where the flow of electric charge remains in one direction.


In what circuit does the current flow in one direction and then in the opposite direction?

on a three way switch.alternating current.


Is led a voltage controller or current controller?

LEDs are typically driven by a current source, which means they are current-controlled devices. However, certain LED drivers may provide current regulation by adjusting the voltage across the LED as well.