Explain this to me

112

02:31:42

Why the led in a circuit on the right is blown, but not on the left. They both have the same voltage which is 5 but the fact is that only the led placement are changed

published 9 years ago

noname

9 years ago

I think that the Programm calculate it wrong

holaaaaaaa

9 years ago

You should put both leds on re dame

WTFCircuit

9 years ago

The programm is working just fine. In the second configuration the upper npn transistor is not fully open, thus it is limiting the current. I can't guarantee it will do the same in real life though

holaaaaaaa

9 years ago

Because the LED on the left isn't netween the NPN

stanislav_maslovski

9 years ago

You do not see it, but in the second circut the bottom transistor is in practice blown too :)

fatech21

9 years ago

re-located your led and transistor on the 1st circuitry. (interchanged same as the circuit from the 2nd.)

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