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LIE DETECTOR

our project i hope you like it
by

ZAhir AlfArei

on 28 October 2013

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Transcript of LIE DETECTOR

Finally LIE DETECTOR WELCOME EVERY ONE THE PURPOSE : In 1921 Larson criticized Marston's intermittent blood pressure method because emotional changes were so brief they could be lost. To adjust for this he modified the Erlanger sphymograph to give a continuous blood pressure and pulse curve and used it to study 4,000 criminals CIRCUIT : THE PROJECT COMPONENT ARE : BLOCK DIAGRAM SUBJECTS John Larsen THE FIRST LIE DETECTOR 1921 RESISTORS
CAPACITOR
LED
TRANSISTOR
Probes
variable
Bassar Battery 9V
Switch MTS-202
Wire probes Transistors as switch Variable Resistor True False DONE BY: ABDUL RAHMAN YOUNIS ALHARRASI 12S09251
ZAHIR ABDULLAH
ALFAREI 12J1038
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