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How many resistors are needed 2 light up 5 leds?

Jodi Brooks

in Schools

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1 answer

Ronald Miller on August 17, 2019

The resistors do not light the LEDs. Are required in a circuit along with LEDs in order to
to prevent excess current through the Leds when the LEDs are forward biased. The
correct the value of the resistor depends on the supply voltage and the desired (nominal) current
through the LEDs, and there is normally a resistor in series with each LED.

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