Simple LED circut

106

01:25:31

Here we are showing simple LED circut with DC source of 12V, resistor of 450ohm and green LED that works on 3V and 20mA. Here you can learn Ohms law. I=U/R

published 9 years ago

jacobsgriffith

9 years ago

If the the vin was 3v would you still need a resistor?

Luka032

9 years ago

No. If the input voltage is the operating voltage of LED you don't need a resistor. But here I'm showing Ohms law with led circut.

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