A SEMINAR ON

LIE DETECTOR

PRESENTED BY-SUKHSAGAR MISHRA

1109032022EI(3RD YR)

About a Lie Detector Circuits & Components Can you beat a lie detector How to tell when someone is lying How to lie Applications References

First of all I want to say that what is a humidity detector

Humidity detector detects the presence of moisture in our hands and gives you indicator with the help of glowing LED’s.

This circuit can be used to test the stress, emotion or can be used as lie detector.

Skin resistance play important role.

Resistor Capacitor LED Potentiometer

Defined by Ohm’s law; What is Ohm’s law? What is condition for ohm’s law?

General verbal responses The behavioral clusters of deception Posture Gesture & movements General expression Eye-Accessing cues

There are three basic types of questions you will be asked-

Relevant Irrelevant Control Don’t admit anything relevant Say only what you need to i.e. Yes or No

Think of some specific true thing (place, person, event, story).

The trick is convincing your sub-conscious mind that you're telling the truth.

Look the person you are lying to in the eye. Don't look around.

To identify criminals To test stress and emotions To detect presence of moisture in our hand

www.google.com www.engineersgarage www.wikipedia.com