what is a LED how is connected in a circuit why is it used in place of bulb in circuit
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1
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light emitting diode .is the full form of LED ..it has Positive and Negative connection..
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5
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LED---
led stands for light emitting diode.
* it is connected in circuit in forward bias i.e., positive to positive and negative to negative terminal.
# it's advantages over bulb ----
* it gives nearly monochromatic light.
* it saves electricity.
* shows less heating effect.
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