This is the New Simple Lie detector Circuit Diagram. The two probes shown are held in the hands and the skin resistance applies bias to the transistor.
The 5 k ohm pot is set for zero deflection on the meter. When the ' 'subject'' is embarrassed or lies, sweating on the hands takes place, increasing the bias to the transistor and upsetting the bridge balance.
New Simple Lie detector Circuit Diagram
The 5 k ohm pot is set for zero deflection on the meter. When the ' 'subject'' is embarrassed or lies, sweating on the hands takes place, increasing the bias to the transistor and upsetting the bridge balance.
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