During a lie detector test, a voltage of 6 V is impressed across two fingers. When a
Chapter 0, Problem 5(choose chapter or problem)
During a lie detector test, a voltage of 6 V is impressed across two fingers. When a certain question is asked, the resistance between the fingers drops from 400,000 ohms to 200,000 ohms. a. What is the current initially through the fingers? b. What is the current through the fingers when the resistance between them drops?
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