Does Anyone Remember Hans + Lotte Hass..
ChatterBank1 min ago
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its no problem, i think what im doing wrong is takin the voltage as it the LED begins to conduct current, when i should be taking it when light is finally emitted. the denominator is in electron volts (1.6x10^-19) multiplied by the p.d
thanks for your help chris, i think just explaining it to someone has helped me, coz i thought about it so much that i confused myself
cheers
alec
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