polygraph Meaning and Definition
آلَہ جو بَیک وَقت نَبضوں کو ریکارڈ کَرتا ہے
alah jo back waqt Nabzoo ko record kurta hai
A polygraph, popularly referred to as a lie detector, measures and records several physiological indices such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked and answers a series of questions.


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