Introduction to electrical and computer engineering ENG1450 All Labs

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ENG 1450 Introduction to Electrical and Computer Engineering


Lab 4

Diodes, Photoresistor Based Light Meter



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Build Quality (F / W / O) _________ _________________________
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ENG 1450 - Lab 4 October 4, 2016-v1 Page 1

, Part A: The Diode

Build the circuit shown in Figure 1. Select a value for the resistor R to be 330 Ω.




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Figure 1: Diode circuit.


1. Set VS to be 5 V. Measure Vout and I.


Vout = ____________ V I = ____________ A




2. Calculate the difference between VS and Vout. Explain why VS and Vout are different.


VS - Vout = __________ V




ENG 1450 - Lab 4 October 4, 2016-v1 Page 2