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- EKI 2013 Lie Detector Kit
Product Description
The EKI 2013 Lie Detector Kit is a classic skin resistance monitor.
Place your fingers on the pads. If you get nervous, your skin resistance goes down and the frequency from the speaker goes up. 9V battery not included.
Principles taught: transistor oscillator.
Components: 2 resistors, capacitor, 2 transistors, speaker, slide switch, battery snap.
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