11. Photo diode

Experimental set up




Measurement 

Measurement of PD current variation with LED power
* during the measurement you must keep the voltage to -1.00V  ( -ve sign will not be shown in the display)
1. set the voltage to -1V and  vary the power 
2. when power changes, eventualy  voltage will change so set the voltage back to -1V and take micro-     ammeter reading.
Measurement of PD voltage variation with current
 1.vary the voltage from 0.1 to 2.0 V and take corresponding micro-ammeter reading for particular power


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